13021600

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:458

約数の個数: 72

約数和(自身を含む): 32646348

約数和(自身を除く): 19624748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 397, 400, 410, 656, 794, 800, 820, 1025, 1312, 1588, 1640, 1985, 2050, 3176, 3280, 3970, 4100, 6352, 6560, 7940, 8200, 9925, 12704, 15880, 16277, 16400, 19850, 31760, 32554, 32800, 39700, 63520, 65108, 79400, 81385, 130216, 158800, 162770, 260432, 317600, 325540, 406925, 520864, 651080, 813850, 1302160, 1627700, 2604320, 3255400, 6510800, 13021600]

約数ペア:

[(1, 13021600), (2, 6510800), (4, 3255400), (5, 2604320), (8, 1627700), (10, 1302160), (16, 813850), (20, 651080), (25, 520864), (32, 406925), (40, 325540), (41, 317600), (50, 260432), (80, 162770), (82, 158800), (100, 130216), (160, 81385), (164, 79400), (200, 65108), (205, 63520), (328, 39700), (397, 32800), (400, 32554), (410, 31760), (656, 19850), (794, 16400), (800, 16277), (820, 15880), (1025, 12704), (1312, 9925), (1588, 8200), (1640, 7940), (1985, 6560), (2050, 6352), (3176, 4100), (3280, 3970)]