65328250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{20101}}^1$

素因数の和:20131

約数の個数: 32

約数和(自身を含む): 131708304

約数和(自身を除く): 66380054

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 20101, 40202, 100505, 201010, 261313, 502525, 522626, 1005050, 1306565, 2512625, 2613130, 5025250, 6532825, 13065650, 32664125, 65328250]

約数ペア:

[(1, 65328250), (2, 32664125), (5, 13065650), (10, 6532825), (13, 5025250), (25, 2613130), (26, 2512625), (50, 1306565), (65, 1005050), (125, 522626), (130, 502525), (250, 261313), (325, 201010), (650, 100505), (1625, 40202), (3250, 20101)]