26930720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9901}}^1$

素因数の和:9933

約数の個数: 48

約数和(自身を含む): 67373208

約数和(自身を除く): 40442488

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 9901, 19802, 39604, 49505, 79208, 99010, 158416, 168317, 198020, 316832, 336634, 396040, 673268, 792080, 841585, 1346536, 1584160, 1683170, 2693072, 3366340, 5386144, 6732680, 13465360, 26930720]

約数ペア:

[(1, 26930720), (2, 13465360), (4, 6732680), (5, 5386144), (8, 3366340), (10, 2693072), (16, 1683170), (17, 1584160), (20, 1346536), (32, 841585), (34, 792080), (40, 673268), (68, 396040), (80, 336634), (85, 316832), (136, 198020), (160, 168317), (170, 158416), (272, 99010), (340, 79208), (544, 49505), (680, 39604), (1360, 19802), (2720, 9901)]