27983320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 65499840

約数和(自身を除く): 37516520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 113, 151, 164, 205, 226, 302, 328, 410, 452, 565, 604, 755, 820, 904, 1130, 1208, 1510, 1640, 2260, 3020, 4520, 4633, 6040, 6191, 9266, 12382, 17063, 18532, 23165, 24764, 30955, 34126, 37064, 46330, 49528, 61910, 68252, 85315, 92660, 123820, 136504, 170630, 185320, 247640, 341260, 682520, 699583, 1399166, 2798332, 3497915, 5596664, 6995830, 13991660, 27983320]

約数ペア:

[(1, 27983320), (2, 13991660), (4, 6995830), (5, 5596664), (8, 3497915), (10, 2798332), (20, 1399166), (40, 699583), (41, 682520), (82, 341260), (113, 247640), (151, 185320), (164, 170630), (205, 136504), (226, 123820), (302, 92660), (328, 85315), (410, 68252), (452, 61910), (565, 49528), (604, 46330), (755, 37064), (820, 34126), (904, 30955), (1130, 24764), (1208, 23165), (1510, 18532), (1640, 17063), (2260, 12382), (3020, 9266), (4520, 6191), (4633, 6040)]