39370640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28949}}^1$

素因数の和:28979

約数の個数: 40

約数和(自身を含む): 96924600

約数和(自身を除く): 57553960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 28949, 57898, 115796, 144745, 231592, 289490, 463184, 492133, 578980, 984266, 1157960, 1968532, 2315920, 2460665, 3937064, 4921330, 7874128, 9842660, 19685320, 39370640]

約数ペア:

[(1, 39370640), (2, 19685320), (4, 9842660), (5, 7874128), (8, 4921330), (10, 3937064), (16, 2460665), (17, 2315920), (20, 1968532), (34, 1157960), (40, 984266), (68, 578980), (80, 492133), (85, 463184), (136, 289490), (170, 231592), (272, 144745), (340, 115796), (680, 57898), (1360, 28949)]