4020565250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{2221}}^1$

素因数の和:2808

約数の個数: 64

約数和(自身を含む): 8123667552

約数和(自身を除く): 4103102302

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 557, 650, 1114, 1625, 2221, 2785, 3250, 4442, 5570, 7241, 11105, 13925, 14482, 22210, 27850, 28873, 36205, 55525, 57746, 69625, 72410, 111050, 139250, 144365, 181025, 277625, 288730, 362050, 555250, 721825, 905125, 1237097, 1443650, 1810250, 2474194, 3609125, 6185485, 7218250, 12370970, 16082261, 30927425, 32164522, 61854850, 80411305, 154637125, 160822610, 309274250, 402056525, 804113050, 2010282625, 4020565250]

約数ペア:

[(1, 4020565250), (2, 2010282625), (5, 804113050), (10, 402056525), (13, 309274250), (25, 160822610), (26, 154637125), (50, 80411305), (65, 61854850), (125, 32164522), (130, 30927425), (250, 16082261), (325, 12370970), (557, 7218250), (650, 6185485), (1114, 3609125), (1625, 2474194), (2221, 1810250), (2785, 1443650), (3250, 1237097), (4442, 905125), (5570, 721825), (7241, 555250), (11105, 362050), (13925, 288730), (14482, 277625), (22210, 181025), (27850, 144365), (28873, 139250), (36205, 111050), (55525, 72410), (57746, 69625)]