72969520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70163}}^1$

素因数の和:70189

約数の個数: 40

約数和(自身を含む): 182707056

約数和(自身を除く): 109737536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 70163, 140326, 280652, 350815, 561304, 701630, 912119, 1122608, 1403260, 1824238, 2806520, 3648476, 4560595, 5613040, 7296952, 9121190, 14593904, 18242380, 36484760, 72969520]

約数ペア:

[(1, 72969520), (2, 36484760), (4, 18242380), (5, 14593904), (8, 9121190), (10, 7296952), (13, 5613040), (16, 4560595), (20, 3648476), (26, 2806520), (40, 1824238), (52, 1403260), (65, 1122608), (80, 912119), (104, 701630), (130, 561304), (208, 350815), (260, 280652), (520, 140326), (1040, 70163)]