74771320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143791}}^1$

素因数の和:143815

約数の個数: 32

約数和(自身を含む): 181177920

約数和(自身を除く): 106406600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143791, 287582, 575164, 718955, 1150328, 1437910, 1869283, 2875820, 3738566, 5751640, 7477132, 9346415, 14954264, 18692830, 37385660, 74771320]

約数ペア:

[(1, 74771320), (2, 37385660), (4, 18692830), (5, 14954264), (8, 9346415), (10, 7477132), (13, 5751640), (20, 3738566), (26, 2875820), (40, 1869283), (52, 1437910), (65, 1150328), (104, 718955), (130, 575164), (260, 287582), (520, 143791)]