771878480

素因数分解:

$2^4\times 5^1\times {\mathrm{9648481}}^1$

素因数の和:9648494

約数の個数: 20

約数和(自身を含む): 1794617652

約数和(自身を除く): 1022739172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9648481, 19296962, 38593924, 48242405, 77187848, 96484810, 154375696, 192969620, 385939240, 771878480]

約数ペア:

[(1, 771878480), (2, 385939240), (4, 192969620), (5, 154375696), (8, 96484810), (10, 77187848), (16, 48242405), (20, 38593924), (40, 19296962), (80, 9648481)]