12973040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9539}}^1$

素因数の和:9569

約数の個数: 40

約数和(自身を含む): 31939920

約数和(自身を除く): 18966880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9539, 19078, 38156, 47695, 76312, 95390, 152624, 162163, 190780, 324326, 381560, 648652, 763120, 810815, 1297304, 1621630, 2594608, 3243260, 6486520, 12973040]

約数ペア:

[(1, 12973040), (2, 6486520), (4, 3243260), (5, 2594608), (8, 1621630), (10, 1297304), (16, 810815), (17, 763120), (20, 648652), (34, 381560), (40, 324326), (68, 190780), (80, 162163), (85, 152624), (136, 95390), (170, 76312), (272, 47695), (340, 38156), (680, 19078), (1360, 9539)]