64727751010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1\times {\mathrm{320609}}^1$

素因数の和:322182

約数の個数: 32

約数和(自身を含む): 125553440880

約数和(自身を除く): 60825689870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1553, 3106, 7765, 15530, 20189, 40378, 100945, 201890, 320609, 641218, 1603045, 3206090, 4167917, 8335834, 20839585, 41679170, 497905777, 995811554, 2489528885, 4979057770, 6472775101, 12945550202, 32363875505, 64727751010]

約数ペア:

[(1, 64727751010), (2, 32363875505), (5, 12945550202), (10, 6472775101), (13, 4979057770), (26, 2489528885), (65, 995811554), (130, 497905777), (1553, 41679170), (3106, 20839585), (7765, 8335834), (15530, 4167917), (20189, 3206090), (40378, 1603045), (100945, 641218), (201890, 320609)]