880778840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1295263}}^1$

素因数の和:1295291

約数の個数: 32

約数和(自身を含む): 2098327680

約数和(自身を除く): 1217548840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1295263, 2590526, 5181052, 6476315, 10362104, 12952630, 22019471, 25905260, 44038942, 51810520, 88077884, 110097355, 176155768, 220194710, 440389420, 880778840]

約数ペア:

[(1, 880778840), (2, 440389420), (4, 220194710), (5, 176155768), (8, 110097355), (10, 88077884), (17, 51810520), (20, 44038942), (34, 25905260), (40, 22019471), (68, 12952630), (85, 10362104), (136, 6476315), (170, 5181052), (340, 2590526), (680, 1295263)]