25860250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 53333280

約数和(自身を除く): 27473030

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 109, 125, 130, 146, 218, 250, 325, 365, 545, 650, 730, 949, 1090, 1417, 1625, 1825, 1898, 2725, 2834, 3250, 3650, 4745, 5450, 7085, 7957, 9125, 9490, 13625, 14170, 15914, 18250, 23725, 27250, 35425, 39785, 47450, 70850, 79570, 103441, 118625, 177125, 198925, 206882, 237250, 354250, 397850, 517205, 994625, 1034410, 1989250, 2586025, 5172050, 12930125, 25860250]

約数ペア:

[(1, 25860250), (2, 12930125), (5, 5172050), (10, 2586025), (13, 1989250), (25, 1034410), (26, 994625), (50, 517205), (65, 397850), (73, 354250), (109, 237250), (125, 206882), (130, 198925), (146, 177125), (218, 118625), (250, 103441), (325, 79570), (365, 70850), (545, 47450), (650, 39785), (730, 35425), (949, 27250), (1090, 23725), (1417, 18250), (1625, 15914), (1825, 14170), (1898, 13625), (2725, 9490), (2834, 9125), (3250, 7957), (3650, 7085), (4745, 5450)]