66940700

素因数分解:

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

素因数の和:647

約数の個数: 72

約数和(自身を含む): 154208880

約数和(自身を除く): 87268180

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 41, 50, 58, 82, 100, 116, 145, 164, 205, 290, 410, 563, 580, 725, 820, 1025, 1126, 1189, 1450, 2050, 2252, 2378, 2815, 2900, 4100, 4756, 5630, 5945, 11260, 11890, 14075, 16327, 23083, 23780, 28150, 29725, 32654, 46166, 56300, 59450, 65308, 81635, 92332, 115415, 118900, 163270, 230830, 326540, 408175, 461660, 577075, 669407, 816350, 1154150, 1338814, 1632700, 2308300, 2677628, 3347035, 6694070, 13388140, 16735175, 33470350, 66940700]

約数ペア:

[(1, 66940700), (2, 33470350), (4, 16735175), (5, 13388140), (10, 6694070), (20, 3347035), (25, 2677628), (29, 2308300), (41, 1632700), (50, 1338814), (58, 1154150), (82, 816350), (100, 669407), (116, 577075), (145, 461660), (164, 408175), (205, 326540), (290, 230830), (410, 163270), (563, 118900), (580, 115415), (725, 92332), (820, 81635), (1025, 65308), (1126, 59450), (1189, 56300), (1450, 46166), (2050, 32654), (2252, 29725), (2378, 28150), (2815, 23780), (2900, 23083), (4100, 16327), (4756, 14075), (5630, 11890), (5945, 11260)]