80128928

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11981}}^1$

素因数の和:12021

約数の個数: 48

約数和(自身を含む): 181167840

約数和(自身を除く): 101038912

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3344, 6688, 11981, 23962, 47924, 95848, 131791, 191696, 227639, 263582, 383392, 455278, 527164, 910556, 1054328, 1821112, 2108656, 2504029, 3642224, 4217312, 5008058, 7284448, 10016116, 20032232, 40064464, 80128928]

約数ペア:

[(1, 80128928), (2, 40064464), (4, 20032232), (8, 10016116), (11, 7284448), (16, 5008058), (19, 4217312), (22, 3642224), (32, 2504029), (38, 2108656), (44, 1821112), (76, 1054328), (88, 910556), (152, 527164), (176, 455278), (209, 383392), (304, 263582), (352, 227639), (418, 191696), (608, 131791), (836, 95848), (1672, 47924), (3344, 23962), (6688, 11981)]