40700680

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6481}}^1$

素因数の和:6649

約数の個数: 32

約数和(自身を含む): 92174040

約数和(自身を除く): 51473360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 6481, 12962, 25924, 32405, 51848, 64810, 129620, 259240, 1017517, 2035034, 4070068, 5087585, 8140136, 10175170, 20350340, 40700680]

約数ペア:

[(1, 40700680), (2, 20350340), (4, 10175170), (5, 8140136), (8, 5087585), (10, 4070068), (20, 2035034), (40, 1017517), (157, 259240), (314, 129620), (628, 64810), (785, 51848), (1256, 32405), (1570, 25924), (3140, 12962), (6280, 6481)]