71651320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137791}}^1$

素因数の和:137815

約数の個数: 32

約数和(自身を含む): 173617920

約数和(自身を除く): 101966600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137791, 275582, 551164, 688955, 1102328, 1377910, 1791283, 2755820, 3582566, 5511640, 7165132, 8956415, 14330264, 17912830, 35825660, 71651320]

約数ペア:

[(1, 71651320), (2, 35825660), (4, 17912830), (5, 14330264), (8, 8956415), (10, 7165132), (13, 5511640), (20, 3582566), (26, 2755820), (40, 1791283), (52, 1377910), (65, 1102328), (104, 688955), (130, 551164), (260, 275582), (520, 137791)]