26215804520

素因数分解:

$2^3\times 5^1\times {\mathrm{655395113}}^1$

素因数の和:655395124

約数の個数: 16

約数和(自身を含む): 58985560260

約数和(自身を除く): 32769755740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 655395113, 1310790226, 2621580452, 3276975565, 5243160904, 6553951130, 13107902260, 26215804520]

約数ペア:

[(1, 26215804520), (2, 13107902260), (4, 6553951130), (5, 5243160904), (8, 3276975565), (10, 2621580452), (20, 1310790226), (40, 655395113)]