12988520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11197}}^1$

素因数の和:11237

約数の個数: 32

約数和(自身を含む): 30234600

約数和(自身を除く): 17246080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 11197, 22394, 44788, 55985, 89576, 111970, 223940, 324713, 447880, 649426, 1298852, 1623565, 2597704, 3247130, 6494260, 12988520]

約数ペア:

[(1, 12988520), (2, 6494260), (4, 3247130), (5, 2597704), (8, 1623565), (10, 1298852), (20, 649426), (29, 447880), (40, 324713), (58, 223940), (116, 111970), (145, 89576), (232, 55985), (290, 44788), (580, 22394), (1160, 11197)]