201577720

素因数分解:

$2^3\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{3389}}^1$

素因数の和:4887

約数の個数: 32

約数和(自身を含む): 453988800

約数和(自身を除く): 252411080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1487, 2974, 3389, 5948, 6778, 7435, 11896, 13556, 14870, 16945, 27112, 29740, 33890, 59480, 67780, 135560, 5039443, 10078886, 20157772, 25197215, 40315544, 50394430, 100788860, 201577720]

約数ペア:

[(1, 201577720), (2, 100788860), (4, 50394430), (5, 40315544), (8, 25197215), (10, 20157772), (20, 10078886), (40, 5039443), (1487, 135560), (2974, 67780), (3389, 59480), (5948, 33890), (6778, 29740), (7435, 27112), (11896, 16945), (13556, 14870)]