87958120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53633}}^1$

素因数の和:53685

約数の個数: 32

約数和(自身を含む): 202736520

約数和(自身を除く): 114778400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 53633, 107266, 214532, 268165, 429064, 536330, 1072660, 2145320, 2198953, 4397906, 8795812, 10994765, 17591624, 21989530, 43979060, 87958120]

約数ペア:

[(1, 87958120), (2, 43979060), (4, 21989530), (5, 17591624), (8, 10994765), (10, 8795812), (20, 4397906), (40, 2198953), (41, 2145320), (82, 1072660), (164, 536330), (205, 429064), (328, 268165), (410, 214532), (820, 107266), (1640, 53633)]