25459850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 72

約数和(自身を含む): 53916192

約数和(自身を除く): 28456342

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 131, 169, 230, 262, 299, 325, 338, 575, 598, 650, 655, 845, 1150, 1310, 1495, 1690, 1703, 2990, 3013, 3275, 3406, 3887, 4225, 6026, 6550, 7475, 7774, 8450, 8515, 14950, 15065, 17030, 19435, 22139, 30130, 38870, 39169, 42575, 44278, 75325, 78338, 85150, 97175, 110695, 150650, 194350, 195845, 221390, 391690, 509197, 553475, 979225, 1018394, 1106950, 1958450, 2545985, 5091970, 12729925, 25459850]

約数ペア:

[(1, 25459850), (2, 12729925), (5, 5091970), (10, 2545985), (13, 1958450), (23, 1106950), (25, 1018394), (26, 979225), (46, 553475), (50, 509197), (65, 391690), (115, 221390), (130, 195845), (131, 194350), (169, 150650), (230, 110695), (262, 97175), (299, 85150), (325, 78338), (338, 75325), (575, 44278), (598, 42575), (650, 39169), (655, 38870), (845, 30130), (1150, 22139), (1310, 19435), (1495, 17030), (1690, 15065), (1703, 14950), (2990, 8515), (3013, 8450), (3275, 7774), (3406, 7475), (3887, 6550), (4225, 6026)]