8245121.00000000

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1999}}^1$

素因数の和:2046

約数の個数: 60

約数和(自身を含む): 114204000

約数和(自身を除く): 67987120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 1999, 2312, 2890, 3998, 4624, 5780, 7996, 9995, 11560, 15992, 19990, 23120, 31984, 33983, 39980, 67966, 79960, 135932, 159920, 169915, 271864, 339830, 543728, 577711, 679660, 1155422, 1359320, 2310844, 2718640, 2888555, 4621688, 5777110, 9243376, 11554220, 23108440, 46216880]

約数ペア:

[(1, 46216880), (2, 23108440), (4, 11554220), (5, 9243376), (8, 5777110), (10, 4621688), (16, 2888555), (17, 2718640), (20, 2310844), (34, 1359320), (40, 1155422), (68, 679660), (80, 577711), (85, 543728), (136, 339830), (170, 271864), (272, 169915), (289, 159920), (340, 135932), (578, 79960), (680, 67966), (1156, 39980), (1360, 33983), (1445, 31984), (1999, 23120), (2312, 19990), (2890, 15992), (3998, 11560), (4624, 9995), (5780, 7996)]