2080261660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 4569675264

約数和(自身を除く): 2489413604

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 131, 142, 211, 212, 262, 265, 284, 355, 422, 524, 530, 655, 710, 844, 1055, 1060, 1310, 1420, 2110, 2620, 3763, 4220, 6943, 7526, 9301, 11183, 13886, 14981, 15052, 18602, 18815, 22366, 27641, 27772, 29962, 34715, 37204, 37630, 44732, 46505, 55282, 55915, 59924, 69430, 74905, 75260, 93010, 110564, 111830, 138205, 138860, 149810, 186020, 223660, 276410, 299620, 492953, 552820, 793993, 985906, 1464973, 1587986, 1962511, 1971812, 2464765, 2929946, 3175972, 3925022, 3969965, 4929530, 5859892, 7324865, 7850044, 7939930, 9812555, 9859060, 14649730, 15879860, 19625110, 29299460, 39250220, 104013083, 208026166, 416052332, 520065415, 1040130830, 2080261660]

約数ペア:

[(1, 2080261660), (2, 1040130830), (4, 520065415), (5, 416052332), (10, 208026166), (20, 104013083), (53, 39250220), (71, 29299460), (106, 19625110), (131, 15879860), (142, 14649730), (211, 9859060), (212, 9812555), (262, 7939930), (265, 7850044), (284, 7324865), (355, 5859892), (422, 4929530), (524, 3969965), (530, 3925022), (655, 3175972), (710, 2929946), (844, 2464765), (1055, 1971812), (1060, 1962511), (1310, 1587986), (1420, 1464973), (2110, 985906), (2620, 793993), (3763, 552820), (4220, 492953), (6943, 299620), (7526, 276410), (9301, 223660), (11183, 186020), (13886, 149810), (14981, 138860), (15052, 138205), (18602, 111830), (18815, 110564), (22366, 93010), (27641, 75260), (27772, 74905), (29962, 69430), (34715, 59924), (37204, 55915), (37630, 55282), (44732, 46505)]