26641480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 63037440

約数和(自身を除く): 36395960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 383, 470, 740, 766, 940, 1480, 1532, 1739, 1880, 1915, 3064, 3478, 3830, 6956, 7660, 8695, 13912, 14171, 15320, 17390, 18001, 28342, 34780, 36002, 56684, 69560, 70855, 72004, 90005, 113368, 141710, 144008, 180010, 283420, 360020, 566840, 666037, 720040, 1332074, 2664148, 3330185, 5328296, 6660370, 13320740, 26641480]

約数ペア:

[(1, 26641480), (2, 13320740), (4, 6660370), (5, 5328296), (8, 3330185), (10, 2664148), (20, 1332074), (37, 720040), (40, 666037), (47, 566840), (74, 360020), (94, 283420), (148, 180010), (185, 144008), (188, 141710), (235, 113368), (296, 90005), (370, 72004), (376, 70855), (383, 69560), (470, 56684), (740, 36002), (766, 34780), (940, 28342), (1480, 18001), (1532, 17390), (1739, 15320), (1880, 14171), (1915, 13912), (3064, 8695), (3478, 7660), (3830, 6956)]