51270640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37699}}^1$

素因数の和:37729

約数の個数: 40

約数和(自身を含む): 126219600

約数和(自身を除く): 74948960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 37699, 75398, 150796, 188495, 301592, 376990, 603184, 640883, 753980, 1281766, 1507960, 2563532, 3015920, 3204415, 5127064, 6408830, 10254128, 12817660, 25635320, 51270640]

約数ペア:

[(1, 51270640), (2, 25635320), (4, 12817660), (5, 10254128), (8, 6408830), (10, 5127064), (16, 3204415), (17, 3015920), (20, 2563532), (34, 1507960), (40, 1281766), (68, 753980), (80, 640883), (85, 603184), (136, 376990), (170, 301592), (272, 188495), (340, 150796), (680, 75398), (1360, 37699)]