13388140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 29846880

約数和(自身を除く): 16458740

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 563, 580, 820, 1126, 1189, 2252, 2378, 2815, 4756, 5630, 5945, 11260, 11890, 16327, 23083, 23780, 32654, 46166, 65308, 81635, 92332, 115415, 163270, 230830, 326540, 461660, 669407, 1338814, 2677628, 3347035, 6694070, 13388140]

約数ペア:

[(1, 13388140), (2, 6694070), (4, 3347035), (5, 2677628), (10, 1338814), (20, 669407), (29, 461660), (41, 326540), (58, 230830), (82, 163270), (116, 115415), (145, 92332), (164, 81635), (205, 65308), (290, 46166), (410, 32654), (563, 23780), (580, 23083), (820, 16327), (1126, 11890), (1189, 11260), (2252, 5945), (2378, 5630), (2815, 4756)]