13289080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1580

約数の個数: 64

約数和(自身を含む): 35297280

約数和(自身を除く): 22008200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1531, 1736, 2170, 3062, 4340, 6124, 7655, 8680, 10717, 12248, 15310, 21434, 30620, 42868, 47461, 53585, 61240, 85736, 94922, 107170, 189844, 214340, 237305, 332227, 379688, 428680, 474610, 664454, 949220, 1328908, 1661135, 1898440, 2657816, 3322270, 6644540, 13289080]

約数ペア:

[(1, 13289080), (2, 6644540), (4, 3322270), (5, 2657816), (7, 1898440), (8, 1661135), (10, 1328908), (14, 949220), (20, 664454), (28, 474610), (31, 428680), (35, 379688), (40, 332227), (56, 237305), (62, 214340), (70, 189844), (124, 107170), (140, 94922), (155, 85736), (217, 61240), (248, 53585), (280, 47461), (310, 42868), (434, 30620), (620, 21434), (868, 15310), (1085, 12248), (1240, 10717), (1531, 8680), (1736, 7655), (2170, 6124), (3062, 4340)]