28427750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8747}}^1$

素因数の和:8777

約数の個数: 32

約数和(自身を含む): 57316896

約数和(自身を除く): 28889146

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8747, 17494, 43735, 87470, 113711, 218675, 227422, 437350, 568555, 1093375, 1137110, 2186750, 2842775, 5685550, 14213875, 28427750]

約数ペア:

[(1, 28427750), (2, 14213875), (5, 5685550), (10, 2842775), (13, 2186750), (25, 1137110), (26, 1093375), (50, 568555), (65, 437350), (125, 227422), (130, 218675), (250, 113711), (325, 87470), (650, 43735), (1625, 17494), (3250, 8747)]