66147040

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1249}}^1$

素因数の和:1595

約数の個数: 48

約数和(自身を含む): 156870000

約数和(自身を除く): 90722960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 1249, 1324, 1655, 2498, 2648, 3310, 4996, 5296, 6245, 6620, 9992, 10592, 12490, 13240, 19984, 24980, 26480, 39968, 49960, 52960, 99920, 199840, 413419, 826838, 1653676, 2067095, 3307352, 4134190, 6614704, 8268380, 13229408, 16536760, 33073520, 66147040]

約数ペア:

[(1, 66147040), (2, 33073520), (4, 16536760), (5, 13229408), (8, 8268380), (10, 6614704), (16, 4134190), (20, 3307352), (32, 2067095), (40, 1653676), (80, 826838), (160, 413419), (331, 199840), (662, 99920), (1249, 52960), (1324, 49960), (1655, 39968), (2498, 26480), (2648, 24980), (3310, 19984), (4996, 13240), (5296, 12490), (6245, 10592), (6620, 9992)]