15864560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6397}}^1$

素因数の和:6441

約数の個数: 40

約数和(自身を含む): 38080896

約数和(自身を除く): 22216336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6397, 12794, 25588, 31985, 51176, 63970, 102352, 127940, 198307, 255880, 396614, 511760, 793228, 991535, 1586456, 1983070, 3172912, 3966140, 7932280, 15864560]

約数ペア:

[(1, 15864560), (2, 7932280), (4, 3966140), (5, 3172912), (8, 1983070), (10, 1586456), (16, 991535), (20, 793228), (31, 511760), (40, 396614), (62, 255880), (80, 198307), (124, 127940), (155, 102352), (248, 63970), (310, 51176), (496, 31985), (620, 25588), (1240, 12794), (2480, 6397)]