420031625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4877}}^1$

素因数の和:4958

約数の個数: 32

約数和(自身を含む): 575291808

約数和(自身を除く): 155260183

約数列:

[1, 5, 13, 25, 53, 65, 125, 265, 325, 689, 1325, 1625, 3445, 4877, 6625, 17225, 24385, 63401, 86125, 121925, 258481, 317005, 609625, 1292405, 1585025, 3360253, 6462025, 7925125, 16801265, 32310125, 84006325, 420031625]

約数ペア:

[(1, 420031625), (5, 84006325), (13, 32310125), (25, 16801265), (53, 7925125), (65, 6462025), (125, 3360253), (265, 1585025), (325, 1292405), (689, 609625), (1325, 317005), (1625, 258481), (3445, 121925), (4877, 86125), (6625, 63401), (17225, 24385)]