31729120

素因数分解:

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

素因数の和:6443

約数の個数: 48

約数和(自身を含む): 77390208

約数和(自身を除く): 45661088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 6397, 12794, 25588, 31985, 51176, 63970, 102352, 127940, 198307, 204704, 255880, 396614, 511760, 793228, 991535, 1023520, 1586456, 1983070, 3172912, 3966140, 6345824, 7932280, 15864560, 31729120]

約数ペア:

[(1, 31729120), (2, 15864560), (4, 7932280), (5, 6345824), (8, 3966140), (10, 3172912), (16, 1983070), (20, 1586456), (31, 1023520), (32, 991535), (40, 793228), (62, 511760), (80, 396614), (124, 255880), (155, 204704), (160, 198307), (248, 127940), (310, 102352), (496, 63970), (620, 51176), (992, 31985), (1240, 25588), (2480, 12794), (4960, 6397)]