80456980840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1949}}^1\times {\mathrm{9133}}^1$

素因数の和:11206

約数の個数: 64

約数和(自身を含む): 182743938000

約数和(自身を除く): 102286957160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 1949, 2260, 3898, 4520, 7796, 9133, 9745, 15592, 18266, 19490, 36532, 38980, 45665, 73064, 77960, 91330, 182660, 220237, 365320, 440474, 880948, 1032029, 1101185, 1761896, 2064058, 2202370, 4128116, 4404740, 5160145, 8256232, 8809480, 10320290, 17800217, 20640580, 35600434, 41281160, 71200868, 89001085, 142401736, 178002170, 356004340, 712008680, 2011424521, 4022849042, 8045698084, 10057122605, 16091396168, 20114245210, 40228490420, 80456980840]

約数ペア:

[(1, 80456980840), (2, 40228490420), (4, 20114245210), (5, 16091396168), (8, 10057122605), (10, 8045698084), (20, 4022849042), (40, 2011424521), (113, 712008680), (226, 356004340), (452, 178002170), (565, 142401736), (904, 89001085), (1130, 71200868), (1949, 41281160), (2260, 35600434), (3898, 20640580), (4520, 17800217), (7796, 10320290), (9133, 8809480), (9745, 8256232), (15592, 5160145), (18266, 4404740), (19490, 4128116), (36532, 2202370), (38980, 2064058), (45665, 1761896), (73064, 1101185), (77960, 1032029), (91330, 880948), (182660, 440474), (220237, 365320)]