71548720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11321}}^1$

素因数の和:11413

約数の個数: 40

約数和(自身を含む): 168471360

約数和(自身を除く): 96922640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 11321, 22642, 45284, 56605, 90568, 113210, 181136, 226420, 452840, 894359, 905680, 1788718, 3577436, 4471795, 7154872, 8943590, 14309744, 17887180, 35774360, 71548720]

約数ペア:

[(1, 71548720), (2, 35774360), (4, 17887180), (5, 14309744), (8, 8943590), (10, 7154872), (16, 4471795), (20, 3577436), (40, 1788718), (79, 905680), (80, 894359), (158, 452840), (316, 226420), (395, 181136), (632, 113210), (790, 90568), (1264, 56605), (1580, 45284), (3160, 22642), (6320, 11321)]