25214800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{373}}^1$

素因数の和:417

約数の個数: 90

約数和(自身を含む): 65772762

約数和(自身を除く): 40557962

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 373, 400, 520, 650, 676, 746, 845, 1040, 1300, 1352, 1492, 1690, 1865, 2600, 2704, 2984, 3380, 3730, 4225, 4849, 5200, 5968, 6760, 7460, 8450, 9325, 9698, 13520, 14920, 16900, 18650, 19396, 24245, 29840, 33800, 37300, 38792, 48490, 63037, 67600, 74600, 77584, 96980, 121225, 126074, 149200, 193960, 242450, 252148, 315185, 387920, 484900, 504296, 630370, 969800, 1008592, 1260740, 1575925, 1939600, 2521480, 3151850, 5042960, 6303700, 12607400, 25214800]

約数ペア:

[(1, 25214800), (2, 12607400), (4, 6303700), (5, 5042960), (8, 3151850), (10, 2521480), (13, 1939600), (16, 1575925), (20, 1260740), (25, 1008592), (26, 969800), (40, 630370), (50, 504296), (52, 484900), (65, 387920), (80, 315185), (100, 252148), (104, 242450), (130, 193960), (169, 149200), (200, 126074), (208, 121225), (260, 96980), (325, 77584), (338, 74600), (373, 67600), (400, 63037), (520, 48490), (650, 38792), (676, 37300), (746, 33800), (845, 29840), (1040, 24245), (1300, 19396), (1352, 18650), (1492, 16900), (1690, 14920), (1865, 13520), (2600, 9698), (2704, 9325), (2984, 8450), (3380, 7460), (3730, 6760), (4225, 5968), (4849, 5200)]