398682080

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{22051}}^1$

素因数の和:22179

約数の個数: 48

約数和(自身を含む): 950264784

約数和(自身を除く): 551582704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1808, 2260, 3616, 4520, 9040, 18080, 22051, 44102, 88204, 110255, 176408, 220510, 352816, 441020, 705632, 882040, 1764080, 2491763, 3528160, 4983526, 9967052, 12458815, 19934104, 24917630, 39868208, 49835260, 79736416, 99670520, 199341040, 398682080]

約数ペア:

[(1, 398682080), (2, 199341040), (4, 99670520), (5, 79736416), (8, 49835260), (10, 39868208), (16, 24917630), (20, 19934104), (32, 12458815), (40, 9967052), (80, 4983526), (113, 3528160), (160, 2491763), (226, 1764080), (452, 882040), (565, 705632), (904, 441020), (1130, 352816), (1808, 220510), (2260, 176408), (3616, 110255), (4520, 88204), (9040, 44102), (18080, 22051)]