13287440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^2$

素因数の和:184

約数の個数: 60

約数和(自身を含む): 32208876

約数和(自身を除く): 18921436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 67, 74, 80, 134, 148, 185, 268, 296, 335, 370, 536, 592, 670, 740, 1072, 1340, 1480, 2479, 2680, 2960, 4489, 4958, 5360, 8978, 9916, 12395, 17956, 19832, 22445, 24790, 35912, 39664, 44890, 49580, 71824, 89780, 99160, 166093, 179560, 198320, 332186, 359120, 664372, 830465, 1328744, 1660930, 2657488, 3321860, 6643720, 13287440]

約数ペア:

[(1, 13287440), (2, 6643720), (4, 3321860), (5, 2657488), (8, 1660930), (10, 1328744), (16, 830465), (20, 664372), (37, 359120), (40, 332186), (67, 198320), (74, 179560), (80, 166093), (134, 99160), (148, 89780), (185, 71824), (268, 49580), (296, 44890), (335, 39664), (370, 35912), (536, 24790), (592, 22445), (670, 19832), (740, 17956), (1072, 12395), (1340, 9916), (1480, 8978), (2479, 5360), (2680, 4958), (2960, 4489)]