57780025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 36

約数和(自身を含む): 79612092

約数和(自身を除く): 21832067

約数列:

[1, 5, 17, 23, 25, 85, 115, 257, 391, 425, 529, 575, 1285, 1955, 2645, 4369, 5911, 6425, 8993, 9775, 13225, 21845, 29555, 44965, 100487, 109225, 135953, 147775, 224825, 502435, 679765, 2311201, 2512175, 3398825, 11556005, 57780025]

約数ペア:

[(1, 57780025), (5, 11556005), (17, 3398825), (23, 2512175), (25, 2311201), (85, 679765), (115, 502435), (257, 224825), (391, 147775), (425, 135953), (529, 109225), (575, 100487), (1285, 44965), (1955, 29555), (2645, 21845), (4369, 13225), (5911, 9775), (6425, 8993)]