9887020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3457}}^1$

素因数の和:3490

約数の個数: 48

約数和(自身を含む): 24399648

約数和(自身を除く): 14512628

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 3457, 6914, 13828, 17285, 34570, 38027, 44941, 69140, 76054, 89882, 152108, 179764, 190135, 224705, 380270, 449410, 494351, 760540, 898820, 988702, 1977404, 2471755, 4943510, 9887020]

約数ペア:

[(1, 9887020), (2, 4943510), (4, 2471755), (5, 1977404), (10, 988702), (11, 898820), (13, 760540), (20, 494351), (22, 449410), (26, 380270), (44, 224705), (52, 190135), (55, 179764), (65, 152108), (110, 89882), (130, 76054), (143, 69140), (220, 44941), (260, 38027), (286, 34570), (572, 17285), (715, 13828), (1430, 6914), (2860, 3457)]