16207480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 38413440

約数和(自身を除く): 22205960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 233, 235, 296, 370, 376, 466, 470, 740, 932, 940, 1165, 1480, 1739, 1864, 1880, 2330, 3478, 4660, 6956, 8621, 8695, 9320, 10951, 13912, 17242, 17390, 21902, 34484, 34780, 43105, 43804, 54755, 68968, 69560, 86210, 87608, 109510, 172420, 219020, 344840, 405187, 438040, 810374, 1620748, 2025935, 3241496, 4051870, 8103740, 16207480]

約数ペア:

[(1, 16207480), (2, 8103740), (4, 4051870), (5, 3241496), (8, 2025935), (10, 1620748), (20, 810374), (37, 438040), (40, 405187), (47, 344840), (74, 219020), (94, 172420), (148, 109510), (185, 87608), (188, 86210), (233, 69560), (235, 68968), (296, 54755), (370, 43804), (376, 43105), (466, 34780), (470, 34484), (740, 21902), (932, 17390), (940, 17242), (1165, 13912), (1480, 10951), (1739, 9320), (1864, 8695), (1880, 8621), (2330, 6956), (3478, 4660)]