8399840

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1117}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 20284992

約数和(自身を除く): 11885152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1117, 1504, 1880, 2234, 3760, 4468, 5585, 7520, 8936, 11170, 17872, 22340, 35744, 44680, 52499, 89360, 104998, 178720, 209996, 262495, 419992, 524990, 839984, 1049980, 1679968, 2099960, 4199920, 8399840]

約数ペア:

[(1, 8399840), (2, 4199920), (4, 2099960), (5, 1679968), (8, 1049980), (10, 839984), (16, 524990), (20, 419992), (32, 262495), (40, 209996), (47, 178720), (80, 104998), (94, 89360), (160, 52499), (188, 44680), (235, 35744), (376, 22340), (470, 17872), (752, 11170), (940, 8936), (1117, 7520), (1504, 5585), (1880, 4468), (2234, 3760)]