8908720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5861}}^1$

素因数の和:5893

約数の個数: 40

約数和(自身を含む): 21806640

約数和(自身を除く): 12897920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5861, 11722, 23444, 29305, 46888, 58610, 93776, 111359, 117220, 222718, 234440, 445436, 468880, 556795, 890872, 1113590, 1781744, 2227180, 4454360, 8908720]

約数ペア:

[(1, 8908720), (2, 4454360), (4, 2227180), (5, 1781744), (8, 1113590), (10, 890872), (16, 556795), (19, 468880), (20, 445436), (38, 234440), (40, 222718), (76, 117220), (80, 111359), (95, 93776), (152, 58610), (190, 46888), (304, 29305), (380, 23444), (760, 11722), (1520, 5861)]