42881540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1259}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 97796160

約数和(自身を除く): 54914620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1259, 1310, 1703, 2518, 2620, 3406, 5036, 6295, 6812, 8515, 12590, 16367, 17030, 25180, 32734, 34060, 65468, 81835, 163670, 164929, 327340, 329858, 659716, 824645, 1649290, 2144077, 3298580, 4288154, 8576308, 10720385, 21440770, 42881540]

約数ペア:

[(1, 42881540), (2, 21440770), (4, 10720385), (5, 8576308), (10, 4288154), (13, 3298580), (20, 2144077), (26, 1649290), (52, 824645), (65, 659716), (130, 329858), (131, 327340), (260, 164929), (262, 163670), (524, 81835), (655, 65468), (1259, 34060), (1310, 32734), (1703, 25180), (2518, 17030), (2620, 16367), (3406, 12590), (5036, 8515), (6295, 6812)]