86451950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^3\times {\mathrm{787}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 174415920

約数和(自身を除く): 87963970

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 787, 845, 1574, 1690, 2197, 3935, 4225, 4394, 7870, 8450, 10231, 10985, 19675, 20462, 21970, 39350, 51155, 54925, 102310, 109850, 133003, 255775, 266006, 511550, 665015, 1330030, 1729039, 3325075, 3458078, 6650150, 8645195, 17290390, 43225975, 86451950]

約数ペア:

[(1, 86451950), (2, 43225975), (5, 17290390), (10, 8645195), (13, 6650150), (25, 3458078), (26, 3325075), (50, 1729039), (65, 1330030), (130, 665015), (169, 511550), (325, 266006), (338, 255775), (650, 133003), (787, 109850), (845, 102310), (1574, 54925), (1690, 51155), (2197, 39350), (3935, 21970), (4225, 20462), (4394, 19675), (7870, 10985), (8450, 10231)]