13128340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 28747152

約数和(自身を除く): 15618812

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 113, 148, 157, 185, 226, 314, 370, 452, 565, 628, 740, 785, 1130, 1570, 2260, 3140, 4181, 5809, 8362, 11618, 16724, 17741, 20905, 23236, 29045, 35482, 41810, 58090, 70964, 83620, 88705, 116180, 177410, 354820, 656417, 1312834, 2625668, 3282085, 6564170, 13128340]

約数ペア:

[(1, 13128340), (2, 6564170), (4, 3282085), (5, 2625668), (10, 1312834), (20, 656417), (37, 354820), (74, 177410), (113, 116180), (148, 88705), (157, 83620), (185, 70964), (226, 58090), (314, 41810), (370, 35482), (452, 29045), (565, 23236), (628, 20905), (740, 17741), (785, 16724), (1130, 11618), (1570, 8362), (2260, 5809), (3140, 4181)]