13425080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 31847040

約数和(自身を除く): 18421960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 193, 235, 296, 370, 376, 386, 470, 740, 772, 940, 965, 1480, 1544, 1739, 1880, 1930, 3478, 3860, 6956, 7141, 7720, 8695, 9071, 13912, 14282, 17390, 18142, 28564, 34780, 35705, 36284, 45355, 57128, 69560, 71410, 72568, 90710, 142820, 181420, 285640, 335627, 362840, 671254, 1342508, 1678135, 2685016, 3356270, 6712540, 13425080]

約数ペア:

[(1, 13425080), (2, 6712540), (4, 3356270), (5, 2685016), (8, 1678135), (10, 1342508), (20, 671254), (37, 362840), (40, 335627), (47, 285640), (74, 181420), (94, 142820), (148, 90710), (185, 72568), (188, 71410), (193, 69560), (235, 57128), (296, 45355), (370, 36284), (376, 35705), (386, 34780), (470, 28564), (740, 18142), (772, 17390), (940, 14282), (965, 13912), (1480, 9071), (1544, 8695), (1739, 7720), (1880, 7141), (1930, 6956), (3478, 3860)]