28681820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46261}}^1$

素因数の和:46301

約数の個数: 24

約数和(自身を含む): 62176128

約数和(自身を除く): 33494308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 46261, 92522, 185044, 231305, 462610, 925220, 1434091, 2868182, 5736364, 7170455, 14340910, 28681820]

約数ペア:

[(1, 28681820), (2, 14340910), (4, 7170455), (5, 5736364), (10, 2868182), (20, 1434091), (31, 925220), (62, 462610), (124, 231305), (155, 185044), (310, 92522), (620, 46261)]