13272440

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{739}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 29970000

約数和(自身を除く): 16697560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 739, 898, 1478, 1796, 2245, 2956, 3592, 3695, 4490, 5912, 7390, 8980, 14780, 17960, 29560, 331811, 663622, 1327244, 1659055, 2654488, 3318110, 6636220, 13272440]

約数ペア:

[(1, 13272440), (2, 6636220), (4, 3318110), (5, 2654488), (8, 1659055), (10, 1327244), (20, 663622), (40, 331811), (449, 29560), (739, 17960), (898, 14780), (1478, 8980), (1796, 7390), (2245, 5912), (2956, 4490), (3592, 3695)]