25624820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1471}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 58856448

約数和(自身を除く): 33231628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1471, 1742, 2942, 3484, 4355, 5884, 7355, 8710, 14710, 17420, 19123, 29420, 38246, 76492, 95615, 98557, 191230, 197114, 382460, 394228, 492785, 985570, 1281241, 1971140, 2562482, 5124964, 6406205, 12812410, 25624820]

約数ペア:

[(1, 25624820), (2, 12812410), (4, 6406205), (5, 5124964), (10, 2562482), (13, 1971140), (20, 1281241), (26, 985570), (52, 492785), (65, 394228), (67, 382460), (130, 197114), (134, 191230), (260, 98557), (268, 95615), (335, 76492), (670, 38246), (871, 29420), (1340, 19123), (1471, 17420), (1742, 14710), (2942, 8710), (3484, 7355), (4355, 5884)]