40806025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 58496256

約数和(自身を除く): 17690231

約数列:

[1, 5, 13, 23, 25, 53, 65, 103, 115, 265, 299, 325, 515, 575, 689, 1219, 1325, 1339, 1495, 2369, 2575, 3445, 5459, 6095, 6695, 7475, 11845, 15847, 17225, 27295, 30475, 30797, 33475, 59225, 70967, 79235, 125557, 136475, 153985, 354835, 396175, 627785, 769925, 1632241, 1774175, 3138925, 8161205, 40806025]

約数ペア:

[(1, 40806025), (5, 8161205), (13, 3138925), (23, 1774175), (25, 1632241), (53, 769925), (65, 627785), (103, 396175), (115, 354835), (265, 153985), (299, 136475), (325, 125557), (515, 79235), (575, 70967), (689, 59225), (1219, 33475), (1325, 30797), (1339, 30475), (1495, 27295), (2369, 17225), (2575, 15847), (3445, 11845), (5459, 7475), (6095, 6695)]