28995850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1495

約数の個数: 48

約数和(自身を含む): 59996160

約数和(自身を除く): 31000310

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1439, 1550, 2015, 2878, 4030, 7195, 10075, 14390, 18707, 20150, 35975, 37414, 44609, 71950, 89218, 93535, 187070, 223045, 446090, 467675, 579917, 935350, 1115225, 1159834, 2230450, 2899585, 5799170, 14497925, 28995850]

約数ペア:

[(1, 28995850), (2, 14497925), (5, 5799170), (10, 2899585), (13, 2230450), (25, 1159834), (26, 1115225), (31, 935350), (50, 579917), (62, 467675), (65, 446090), (130, 223045), (155, 187070), (310, 93535), (325, 89218), (403, 71950), (650, 44609), (775, 37414), (806, 35975), (1439, 20150), (1550, 18707), (2015, 14390), (2878, 10075), (4030, 7195)]