81227840

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8753}}^1$

素因数の和:8799

約数の個数: 56

約数和(自身を含む): 200116440

約数和(自身を除く): 118888600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 8753, 9280, 17506, 35012, 43765, 70024, 87530, 140048, 175060, 253837, 280096, 350120, 507674, 560192, 700240, 1015348, 1269185, 1400480, 2030696, 2538370, 2800960, 4061392, 5076740, 8122784, 10153480, 16245568, 20306960, 40613920, 81227840]

約数ペア:

[(1, 81227840), (2, 40613920), (4, 20306960), (5, 16245568), (8, 10153480), (10, 8122784), (16, 5076740), (20, 4061392), (29, 2800960), (32, 2538370), (40, 2030696), (58, 1400480), (64, 1269185), (80, 1015348), (116, 700240), (145, 560192), (160, 507674), (232, 350120), (290, 280096), (320, 253837), (464, 175060), (580, 140048), (928, 87530), (1160, 70024), (1856, 43765), (2320, 35012), (4640, 17506), (8753, 9280)]