13420640

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2267}}^1$

素因数の和:2319

約数の個数: 48

約数和(自身を含む): 32577552

約数和(自身を除く): 19156912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2267, 2960, 4534, 5920, 9068, 11335, 18136, 22670, 36272, 45340, 72544, 83879, 90680, 167758, 181360, 335516, 362720, 419395, 671032, 838790, 1342064, 1677580, 2684128, 3355160, 6710320, 13420640]

約数ペア:

[(1, 13420640), (2, 6710320), (4, 3355160), (5, 2684128), (8, 1677580), (10, 1342064), (16, 838790), (20, 671032), (32, 419395), (37, 362720), (40, 335516), (74, 181360), (80, 167758), (148, 90680), (160, 83879), (185, 72544), (296, 45340), (370, 36272), (592, 22670), (740, 18136), (1184, 11335), (1480, 9068), (2267, 5920), (2960, 4534)]