51228560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33703}}^1$

素因数の和:33735

約数の個数: 40

約数和(自身を含む): 125378880

約数和(自身を除く): 74150320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 33703, 67406, 134812, 168515, 269624, 337030, 539248, 640357, 674060, 1280714, 1348120, 2561428, 2696240, 3201785, 5122856, 6403570, 10245712, 12807140, 25614280, 51228560]

約数ペア:

[(1, 51228560), (2, 25614280), (4, 12807140), (5, 10245712), (8, 6403570), (10, 5122856), (16, 3201785), (19, 2696240), (20, 2561428), (38, 1348120), (40, 1280714), (76, 674060), (80, 640357), (95, 539248), (152, 337030), (190, 269624), (304, 168515), (380, 134812), (760, 67406), (1520, 33703)]