13320740

素因数分解:

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

素因数の和:476

約数の個数: 48

約数和(自身を含む): 29417472

約数和(自身を除く): 16096732

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 370, 383, 470, 740, 766, 940, 1532, 1739, 1915, 3478, 3830, 6956, 7660, 8695, 14171, 17390, 18001, 28342, 34780, 36002, 56684, 70855, 72004, 90005, 141710, 180010, 283420, 360020, 666037, 1332074, 2664148, 3330185, 6660370, 13320740]

約数ペア:

[(1, 13320740), (2, 6660370), (4, 3330185), (5, 2664148), (10, 1332074), (20, 666037), (37, 360020), (47, 283420), (74, 180010), (94, 141710), (148, 90005), (185, 72004), (188, 70855), (235, 56684), (370, 36002), (383, 34780), (470, 28342), (740, 18001), (766, 17390), (940, 14171), (1532, 8695), (1739, 7660), (1915, 6956), (3478, 3830)]