202340720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{983}}^1$

素因数の和:1110

約数の個数: 80

約数和(自身を含む): 491968512

約数和(自身を除く): 289627792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 310, 332, 415, 496, 620, 664, 830, 983, 1240, 1328, 1660, 1966, 2480, 2573, 3320, 3932, 4915, 5146, 6640, 7864, 9830, 10292, 12865, 15728, 19660, 20584, 25730, 30473, 39320, 41168, 51460, 60946, 78640, 81589, 102920, 121892, 152365, 163178, 205840, 243784, 304730, 326356, 407945, 487568, 609460, 652712, 815890, 1218920, 1305424, 1631780, 2437840, 2529259, 3263560, 5058518, 6527120, 10117036, 12646295, 20234072, 25292590, 40468144, 50585180, 101170360, 202340720]

約数ペア:

[(1, 202340720), (2, 101170360), (4, 50585180), (5, 40468144), (8, 25292590), (10, 20234072), (16, 12646295), (20, 10117036), (31, 6527120), (40, 5058518), (62, 3263560), (80, 2529259), (83, 2437840), (124, 1631780), (155, 1305424), (166, 1218920), (248, 815890), (310, 652712), (332, 609460), (415, 487568), (496, 407945), (620, 326356), (664, 304730), (830, 243784), (983, 205840), (1240, 163178), (1328, 152365), (1660, 121892), (1966, 102920), (2480, 81589), (2573, 78640), (3320, 60946), (3932, 51460), (4915, 41168), (5146, 39320), (6640, 30473), (7864, 25730), (9830, 20584), (10292, 19660), (12865, 15728)]