25918480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1544

約数の個数: 80

約数和(自身を含む): 71138304

約数和(自身を除く): 45219824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1493, 1736, 2170, 2480, 2986, 3472, 4340, 5972, 7465, 8680, 10451, 11944, 14930, 17360, 20902, 23888, 29860, 41804, 46283, 52255, 59720, 83608, 92566, 104510, 119440, 167216, 185132, 209020, 231415, 323981, 370264, 418040, 462830, 647962, 740528, 836080, 925660, 1295924, 1619905, 1851320, 2591848, 3239810, 3702640, 5183696, 6479620, 12959240, 25918480]

約数ペア:

[(1, 25918480), (2, 12959240), (4, 6479620), (5, 5183696), (7, 3702640), (8, 3239810), (10, 2591848), (14, 1851320), (16, 1619905), (20, 1295924), (28, 925660), (31, 836080), (35, 740528), (40, 647962), (56, 462830), (62, 418040), (70, 370264), (80, 323981), (112, 231415), (124, 209020), (140, 185132), (155, 167216), (217, 119440), (248, 104510), (280, 92566), (310, 83608), (434, 59720), (496, 52255), (560, 46283), (620, 41804), (868, 29860), (1085, 23888), (1240, 20902), (1493, 17360), (1736, 14930), (2170, 11944), (2480, 10451), (2986, 8680), (3472, 7465), (4340, 5972)]