13001240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 34041600

約数和(自身を除く): 21040360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 787, 826, 1180, 1574, 1652, 2065, 2360, 3148, 3304, 3935, 4130, 5509, 6296, 7870, 8260, 11018, 15740, 16520, 22036, 27545, 31480, 44072, 46433, 55090, 92866, 110180, 185732, 220360, 232165, 325031, 371464, 464330, 650062, 928660, 1300124, 1625155, 1857320, 2600248, 3250310, 6500620, 13001240]

約数ペア:

[(1, 13001240), (2, 6500620), (4, 3250310), (5, 2600248), (7, 1857320), (8, 1625155), (10, 1300124), (14, 928660), (20, 650062), (28, 464330), (35, 371464), (40, 325031), (56, 232165), (59, 220360), (70, 185732), (118, 110180), (140, 92866), (236, 55090), (280, 46433), (295, 44072), (413, 31480), (472, 27545), (590, 22036), (787, 16520), (826, 15740), (1180, 11018), (1574, 8260), (1652, 7870), (2065, 6296), (2360, 5509), (3148, 4130), (3304, 3935)]