67272020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 145907328

約数和(自身を除く): 78635308

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 244, 268, 305, 335, 610, 670, 823, 1220, 1340, 1646, 3292, 4087, 4115, 8174, 8230, 16348, 16460, 20435, 40870, 50203, 55141, 81740, 100406, 110282, 200812, 220564, 251015, 275705, 502030, 551410, 1004060, 1102820, 3363601, 6727202, 13454404, 16818005, 33636010, 67272020]

約数ペア:

[(1, 67272020), (2, 33636010), (4, 16818005), (5, 13454404), (10, 6727202), (20, 3363601), (61, 1102820), (67, 1004060), (122, 551410), (134, 502030), (244, 275705), (268, 251015), (305, 220564), (335, 200812), (610, 110282), (670, 100406), (823, 81740), (1220, 55141), (1340, 50203), (1646, 40870), (3292, 20435), (4087, 16460), (4115, 16348), (8174, 8230)]