12645280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4649}}^1$

素因数の和:4681

約数の個数: 48

約数和(自身を含む): 31638600

約数和(自身を除く): 18993320

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, 4649, 9298, 18596, 23245, 37192, 46490, 74384, 79033, 92980, 148768, 158066, 185960, 316132, 371920, 395165, 632264, 743840, 790330, 1264528, 1580660, 2529056, 3161320, 6322640, 12645280]

約数ペア:

[(1, 12645280), (2, 6322640), (4, 3161320), (5, 2529056), (8, 1580660), (10, 1264528), (16, 790330), (17, 743840), (20, 632264), (32, 395165), (34, 371920), (40, 316132), (68, 185960), (80, 158066), (85, 148768), (136, 92980), (160, 79033), (170, 74384), (272, 46490), (340, 37192), (544, 23245), (680, 18596), (1360, 9298), (2720, 4649)]