28408250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8741}}^1$

素因数の和:8771

約数の個数: 32

約数和(自身を含む): 57277584

約数和(自身を除く): 28869334

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8741, 17482, 43705, 87410, 113633, 218525, 227266, 437050, 568165, 1092625, 1136330, 2185250, 2840825, 5681650, 14204125, 28408250]

約数ペア:

[(1, 28408250), (2, 14204125), (5, 5681650), (10, 2840825), (13, 2185250), (25, 1136330), (26, 1092625), (50, 568165), (65, 437050), (125, 227266), (130, 218525), (250, 113633), (325, 87410), (650, 43705), (1625, 17482), (3250, 8741)]