39081250

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 72

約数和(自身を含む): 81486972

約数和(自身を除く): 42405722

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 125, 130, 169, 185, 250, 325, 338, 370, 481, 625, 650, 845, 925, 962, 1250, 1625, 1690, 1850, 2405, 3125, 3250, 4225, 4625, 4810, 6250, 6253, 8125, 8450, 9250, 12025, 12506, 16250, 21125, 23125, 24050, 31265, 40625, 42250, 46250, 60125, 62530, 81250, 105625, 115625, 120250, 156325, 211250, 231250, 300625, 312650, 528125, 601250, 781625, 1056250, 1503125, 1563250, 3006250, 3908125, 7816250, 19540625, 39081250]

約数ペア:

[(1, 39081250), (2, 19540625), (5, 7816250), (10, 3908125), (13, 3006250), (25, 1563250), (26, 1503125), (37, 1056250), (50, 781625), (65, 601250), (74, 528125), (125, 312650), (130, 300625), (169, 231250), (185, 211250), (250, 156325), (325, 120250), (338, 115625), (370, 105625), (481, 81250), (625, 62530), (650, 60125), (845, 46250), (925, 42250), (962, 40625), (1250, 31265), (1625, 24050), (1690, 23125), (1850, 21125), (2405, 16250), (3125, 12506), (3250, 12025), (4225, 9250), (4625, 8450), (4810, 8125), (6250, 6253)]