12939160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 31752000

約数和(自身を除く): 18812840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 167, 260, 298, 334, 520, 596, 668, 745, 835, 1192, 1336, 1490, 1670, 1937, 2171, 2980, 3340, 3874, 4342, 5960, 6680, 7748, 8684, 9685, 10855, 15496, 17368, 19370, 21710, 24883, 38740, 43420, 49766, 77480, 86840, 99532, 124415, 199064, 248830, 323479, 497660, 646958, 995320, 1293916, 1617395, 2587832, 3234790, 6469580, 12939160]

約数ペア:

[(1, 12939160), (2, 6469580), (4, 3234790), (5, 2587832), (8, 1617395), (10, 1293916), (13, 995320), (20, 646958), (26, 497660), (40, 323479), (52, 248830), (65, 199064), (104, 124415), (130, 99532), (149, 86840), (167, 77480), (260, 49766), (298, 43420), (334, 38740), (520, 24883), (596, 21710), (668, 19370), (745, 17368), (835, 15496), (1192, 10855), (1336, 9685), (1490, 8684), (1670, 7748), (1937, 6680), (2171, 5960), (2980, 4342), (3340, 3874)]