7951640

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{739}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 17982000

約数和(自身を除く): 10030360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 739, 1076, 1345, 1478, 2152, 2690, 2956, 3695, 5380, 5912, 7390, 10760, 14780, 29560, 198791, 397582, 795164, 993955, 1590328, 1987910, 3975820, 7951640]

約数ペア:

[(1, 7951640), (2, 3975820), (4, 1987910), (5, 1590328), (8, 993955), (10, 795164), (20, 397582), (40, 198791), (269, 29560), (538, 14780), (739, 10760), (1076, 7390), (1345, 5912), (1478, 5380), (2152, 3695), (2690, 2956)]