66979480

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3329}}^1$

素因数の和:3843

約数の個数: 32

約数和(自身を含む): 151048800

約数和(自身を除く): 84069320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 3329, 4024, 5030, 6658, 10060, 13316, 16645, 20120, 26632, 33290, 66580, 133160, 1674487, 3348974, 6697948, 8372435, 13395896, 16744870, 33489740, 66979480]

約数ペア:

[(1, 66979480), (2, 33489740), (4, 16744870), (5, 13395896), (8, 8372435), (10, 6697948), (20, 3348974), (40, 1674487), (503, 133160), (1006, 66580), (2012, 33290), (2515, 26632), (3329, 20120), (4024, 16645), (5030, 13316), (6658, 10060)]