15962480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3271}}^1$

素因数の和:3345

約数の個数: 40

約数和(自身を含む): 37732704

約数和(自身を除く): 21770224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3271, 4880, 6542, 13084, 16355, 26168, 32710, 52336, 65420, 130840, 199531, 261680, 399062, 798124, 997655, 1596248, 1995310, 3192496, 3990620, 7981240, 15962480]

約数ペア:

[(1, 15962480), (2, 7981240), (4, 3990620), (5, 3192496), (8, 1995310), (10, 1596248), (16, 997655), (20, 798124), (40, 399062), (61, 261680), (80, 199531), (122, 130840), (244, 65420), (305, 52336), (488, 32710), (610, 26168), (976, 16355), (1220, 13084), (2440, 6542), (3271, 4880)]