13015120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4397}}^1$

素因数の和:4447

約数の個数: 40

約数和(自身を含む): 31085064

約数和(自身を除く): 18069944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 4397, 8794, 17588, 21985, 35176, 43970, 70352, 87940, 162689, 175880, 325378, 351760, 650756, 813445, 1301512, 1626890, 2603024, 3253780, 6507560, 13015120]

約数ペア:

[(1, 13015120), (2, 6507560), (4, 3253780), (5, 2603024), (8, 1626890), (10, 1301512), (16, 813445), (20, 650756), (37, 351760), (40, 325378), (74, 175880), (80, 162689), (148, 87940), (185, 70352), (296, 43970), (370, 35176), (592, 21985), (740, 17588), (1480, 8794), (2960, 4397)]