8661250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 60

約数和(自身を含む): 18008298

約数和(自身を除く): 9347048

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 125, 130, 169, 205, 250, 325, 338, 410, 533, 625, 650, 845, 1025, 1066, 1250, 1625, 1690, 2050, 2665, 3250, 4225, 5125, 5330, 6929, 8125, 8450, 10250, 13325, 13858, 16250, 21125, 25625, 26650, 34645, 42250, 51250, 66625, 69290, 105625, 133250, 173225, 211250, 333125, 346450, 666250, 866125, 1732250, 4330625, 8661250]

約数ペア:

[(1, 8661250), (2, 4330625), (5, 1732250), (10, 866125), (13, 666250), (25, 346450), (26, 333125), (41, 211250), (50, 173225), (65, 133250), (82, 105625), (125, 69290), (130, 66625), (169, 51250), (205, 42250), (250, 34645), (325, 26650), (338, 25625), (410, 21125), (533, 16250), (625, 13858), (650, 13325), (845, 10250), (1025, 8450), (1066, 8125), (1250, 6929), (1625, 5330), (1690, 5125), (2050, 4225), (2665, 3250)]