51249250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{1213}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 103971816

約数和(自身を除く): 52722566

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 650, 845, 1213, 1625, 1690, 2426, 3250, 4225, 6065, 8450, 12130, 15769, 21125, 30325, 31538, 42250, 60650, 78845, 151625, 157690, 204997, 303250, 394225, 409994, 788450, 1024985, 1971125, 2049970, 3942250, 5124925, 10249850, 25624625, 51249250]

約数ペア:

[(1, 51249250), (2, 25624625), (5, 10249850), (10, 5124925), (13, 3942250), (25, 2049970), (26, 1971125), (50, 1024985), (65, 788450), (125, 409994), (130, 394225), (169, 303250), (250, 204997), (325, 157690), (338, 151625), (650, 78845), (845, 60650), (1213, 42250), (1625, 31538), (1690, 30325), (2426, 21125), (3250, 15769), (4225, 12130), (6065, 8450)]