8358220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 20998656

約数和(自身を除く): 12640436

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 61, 62, 65, 68, 85, 122, 124, 130, 155, 170, 221, 244, 260, 305, 310, 340, 403, 442, 527, 610, 620, 793, 806, 884, 1037, 1054, 1105, 1220, 1586, 1612, 1891, 2015, 2074, 2108, 2210, 2635, 3172, 3782, 3965, 4030, 4148, 4420, 5185, 5270, 6851, 7564, 7930, 8060, 9455, 10370, 10540, 13481, 13702, 15860, 18910, 20740, 24583, 26962, 27404, 32147, 34255, 37820, 49166, 53924, 64294, 67405, 68510, 98332, 122915, 128588, 134810, 137020, 160735, 245830, 269620, 321470, 417911, 491660, 642940, 835822, 1671644, 2089555, 4179110, 8358220]

約数ペア:

[(1, 8358220), (2, 4179110), (4, 2089555), (5, 1671644), (10, 835822), (13, 642940), (17, 491660), (20, 417911), (26, 321470), (31, 269620), (34, 245830), (52, 160735), (61, 137020), (62, 134810), (65, 128588), (68, 122915), (85, 98332), (122, 68510), (124, 67405), (130, 64294), (155, 53924), (170, 49166), (221, 37820), (244, 34255), (260, 32147), (305, 27404), (310, 26962), (340, 24583), (403, 20740), (442, 18910), (527, 15860), (610, 13702), (620, 13481), (793, 10540), (806, 10370), (884, 9455), (1037, 8060), (1054, 7930), (1105, 7564), (1220, 6851), (1586, 5270), (1612, 5185), (1891, 4420), (2015, 4148), (2074, 4030), (2108, 3965), (2210, 3782), (2635, 3172)]