80580760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{643}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 196368480

約数和(自身を除く): 115787720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 241, 260, 482, 520, 643, 964, 1205, 1286, 1928, 2410, 2572, 3133, 3215, 4820, 5144, 6266, 6430, 8359, 9640, 12532, 12860, 15665, 16718, 25064, 25720, 31330, 33436, 41795, 62660, 66872, 83590, 125320, 154963, 167180, 309926, 334360, 619852, 774815, 1239704, 1549630, 2014519, 3099260, 4029038, 6198520, 8058076, 10072595, 16116152, 20145190, 40290380, 80580760]

約数ペア:

[(1, 80580760), (2, 40290380), (4, 20145190), (5, 16116152), (8, 10072595), (10, 8058076), (13, 6198520), (20, 4029038), (26, 3099260), (40, 2014519), (52, 1549630), (65, 1239704), (104, 774815), (130, 619852), (241, 334360), (260, 309926), (482, 167180), (520, 154963), (643, 125320), (964, 83590), (1205, 66872), (1286, 62660), (1928, 41795), (2410, 33436), (2572, 31330), (3133, 25720), (3215, 25064), (4820, 16718), (5144, 15665), (6266, 12860), (6430, 12532), (8359, 9640)]