1918882640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{33641}}^1$

素因数の和:33708

約数の個数: 80

約数和(自身を含む): 4805692416

約数和(自身を除く): 2886809776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1840, 2480, 2852, 3565, 5704, 7130, 11408, 14260, 28520, 33641, 57040, 67282, 134564, 168205, 269128, 336410, 538256, 672820, 773743, 1042871, 1345640, 1547486, 2085742, 2691280, 3094972, 3868715, 4171484, 5214355, 6189944, 7737430, 8342968, 10428710, 12379888, 15474860, 16685936, 20857420, 23986033, 30949720, 41714840, 47972066, 61899440, 83429680, 95944132, 119930165, 191888264, 239860330, 383776528, 479720660, 959441320, 1918882640]

約数ペア:

[(1, 1918882640), (2, 959441320), (4, 479720660), (5, 383776528), (8, 239860330), (10, 191888264), (16, 119930165), (20, 95944132), (23, 83429680), (31, 61899440), (40, 47972066), (46, 41714840), (62, 30949720), (80, 23986033), (92, 20857420), (115, 16685936), (124, 15474860), (155, 12379888), (184, 10428710), (230, 8342968), (248, 7737430), (310, 6189944), (368, 5214355), (460, 4171484), (496, 3868715), (620, 3094972), (713, 2691280), (920, 2085742), (1240, 1547486), (1426, 1345640), (1840, 1042871), (2480, 773743), (2852, 672820), (3565, 538256), (5704, 336410), (7130, 269128), (11408, 168205), (14260, 134564), (28520, 67282), (33641, 57040)]