25188560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18521}}^1$

素因数の和:18551

約数の個数: 40

約数和(自身を含む): 62011656

約数和(自身を除く): 36823096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 18521, 37042, 74084, 92605, 148168, 185210, 296336, 314857, 370420, 629714, 740840, 1259428, 1481680, 1574285, 2518856, 3148570, 5037712, 6297140, 12594280, 25188560]

約数ペア:

[(1, 25188560), (2, 12594280), (4, 6297140), (5, 5037712), (8, 3148570), (10, 2518856), (16, 1574285), (17, 1481680), (20, 1259428), (34, 740840), (40, 629714), (68, 370420), (80, 314857), (85, 296336), (136, 185210), (170, 148168), (272, 92605), (340, 74084), (680, 37042), (1360, 18521)]