15521720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{6577}}^1$

素因数の和:6647

約数の個数: 32

約数和(自身を含む): 35521200

約数和(自身を除く): 19999480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 6577, 13154, 26308, 32885, 52616, 65770, 131540, 263080, 388043, 776086, 1552172, 1940215, 3104344, 3880430, 7760860, 15521720]

約数ペア:

[(1, 15521720), (2, 7760860), (4, 3880430), (5, 3104344), (8, 1940215), (10, 1552172), (20, 776086), (40, 388043), (59, 263080), (118, 131540), (236, 65770), (295, 52616), (472, 32885), (590, 26308), (1180, 13154), (2360, 6577)]