2008406920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5417}}^1$

素因数の和:5495

約数の個数: 128

約数和(自身を含む): 5242890240

約数和(自身を除く): 3234483320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 155, 184, 230, 248, 260, 299, 310, 403, 460, 520, 598, 620, 713, 806, 920, 1196, 1240, 1426, 1495, 1612, 2015, 2392, 2852, 2990, 3224, 3565, 4030, 5417, 5704, 5980, 7130, 8060, 9269, 10834, 11960, 14260, 16120, 18538, 21668, 27085, 28520, 37076, 43336, 46345, 54170, 70421, 74152, 92690, 108340, 124591, 140842, 167927, 185380, 216680, 249182, 281684, 335854, 352105, 370760, 498364, 563368, 622955, 671708, 704210, 839635, 996728, 1245910, 1343416, 1408420, 1619683, 1679270, 2183051, 2491820, 2816840, 3239366, 3358540, 3862321, 4366102, 4983640, 6478732, 6717080, 7724642, 8098415, 8732204, 10915255, 12957464, 15449284, 16196830, 17464408, 19311605, 21830510, 30898568, 32393660, 38623210, 43661020, 50210173, 64787320, 77246420, 87322040, 100420346, 154492840, 200840692, 251050865, 401681384, 502101730, 1004203460, 2008406920]

約数ペア:

[(1, 2008406920), (2, 1004203460), (4, 502101730), (5, 401681384), (8, 251050865), (10, 200840692), (13, 154492840), (20, 100420346), (23, 87322040), (26, 77246420), (31, 64787320), (40, 50210173), (46, 43661020), (52, 38623210), (62, 32393660), (65, 30898568), (92, 21830510), (104, 19311605), (115, 17464408), (124, 16196830), (130, 15449284), (155, 12957464), (184, 10915255), (230, 8732204), (248, 8098415), (260, 7724642), (299, 6717080), (310, 6478732), (403, 4983640), (460, 4366102), (520, 3862321), (598, 3358540), (620, 3239366), (713, 2816840), (806, 2491820), (920, 2183051), (1196, 1679270), (1240, 1619683), (1426, 1408420), (1495, 1343416), (1612, 1245910), (2015, 996728), (2392, 839635), (2852, 704210), (2990, 671708), (3224, 622955), (3565, 563368), (4030, 498364), (5417, 370760), (5704, 352105), (5980, 335854), (7130, 281684), (8060, 249182), (9269, 216680), (10834, 185380), (11960, 167927), (14260, 140842), (16120, 124591), (18538, 108340), (21668, 92690), (27085, 74152), (28520, 70421), (37076, 54170), (43336, 46345)]