25836640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5209}}^1$

素因数の和:5255

約数の個数: 48

約数和(自身を含む): 63020160

約数和(自身を除く): 37183520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5209, 10418, 20836, 26045, 41672, 52090, 83344, 104180, 161479, 166688, 208360, 322958, 416720, 645916, 807395, 833440, 1291832, 1614790, 2583664, 3229580, 5167328, 6459160, 12918320, 25836640]

約数ペア:

[(1, 25836640), (2, 12918320), (4, 6459160), (5, 5167328), (8, 3229580), (10, 2583664), (16, 1614790), (20, 1291832), (31, 833440), (32, 807395), (40, 645916), (62, 416720), (80, 322958), (124, 208360), (155, 166688), (160, 161479), (248, 104180), (310, 83344), (496, 52090), (620, 41672), (992, 26045), (1240, 20836), (2480, 10418), (4960, 5209)]