65842840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2081}}^1$

素因数の和:2212

約数の個数: 64

約数和(自身を含む): 170890560

約数和(自身を除く): 105047720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 1130, 1582, 2081, 2260, 3164, 3955, 4162, 4520, 6328, 7910, 8324, 10405, 14567, 15820, 16648, 20810, 29134, 31640, 41620, 58268, 72835, 83240, 116536, 145670, 235153, 291340, 470306, 582680, 940612, 1175765, 1646071, 1881224, 2351530, 3292142, 4703060, 6584284, 8230355, 9406120, 13168568, 16460710, 32921420, 65842840]

約数ペア:

[(1, 65842840), (2, 32921420), (4, 16460710), (5, 13168568), (7, 9406120), (8, 8230355), (10, 6584284), (14, 4703060), (20, 3292142), (28, 2351530), (35, 1881224), (40, 1646071), (56, 1175765), (70, 940612), (113, 582680), (140, 470306), (226, 291340), (280, 235153), (452, 145670), (565, 116536), (791, 83240), (904, 72835), (1130, 58268), (1582, 41620), (2081, 31640), (2260, 29134), (3164, 20810), (3955, 16648), (4162, 15820), (4520, 14567), (6328, 10405), (7910, 8324)]