12959620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 28421568

約数和(自身を除く): 15461948

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 83, 148, 166, 185, 211, 332, 370, 415, 422, 740, 830, 844, 1055, 1660, 2110, 3071, 4220, 6142, 7807, 12284, 15355, 15614, 17513, 30710, 31228, 35026, 39035, 61420, 70052, 78070, 87565, 156140, 175130, 350260, 647981, 1295962, 2591924, 3239905, 6479810, 12959620]

約数ペア:

[(1, 12959620), (2, 6479810), (4, 3239905), (5, 2591924), (10, 1295962), (20, 647981), (37, 350260), (74, 175130), (83, 156140), (148, 87565), (166, 78070), (185, 70052), (211, 61420), (332, 39035), (370, 35026), (415, 31228), (422, 30710), (740, 17513), (830, 15614), (844, 15355), (1055, 12284), (1660, 7807), (2110, 6142), (3071, 4220)]