90220390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6367}}^1$

素因数の和:6496

約数の個数: 32

約数和(自身を含む): 176520960

約数和(自身を除く): 86300570

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2834, 6367, 7085, 12734, 14170, 31835, 63670, 82771, 165542, 413855, 694003, 827710, 1388006, 3470015, 6940030, 9022039, 18044078, 45110195, 90220390]

約数ペア:

[(1, 90220390), (2, 45110195), (5, 18044078), (10, 9022039), (13, 6940030), (26, 3470015), (65, 1388006), (109, 827710), (130, 694003), (218, 413855), (545, 165542), (1090, 82771), (1417, 63670), (2834, 31835), (6367, 14170), (7085, 12734)]