8038480

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1231

約数の個数: 40

約数和(自身を含む): 18916200

約数和(自身を除く): 10877720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1129, 1424, 1780, 2258, 3560, 4516, 5645, 7120, 9032, 11290, 18064, 22580, 45160, 90320, 100481, 200962, 401924, 502405, 803848, 1004810, 1607696, 2009620, 4019240, 8038480]

約数ペア:

[(1, 8038480), (2, 4019240), (4, 2009620), (5, 1607696), (8, 1004810), (10, 803848), (16, 502405), (20, 401924), (40, 200962), (80, 100481), (89, 90320), (178, 45160), (356, 22580), (445, 18064), (712, 11290), (890, 9032), (1129, 7120), (1424, 5645), (1780, 4516), (2258, 3560)]