39918640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3929}}^1$

素因数の和:4069

約数の個数: 40

約数和(自身を含む): 93565440

約数和(自身を除く): 53646800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 3929, 5080, 7858, 10160, 15716, 19645, 31432, 39290, 62864, 78580, 157160, 314320, 498983, 997966, 1995932, 2494915, 3991864, 4989830, 7983728, 9979660, 19959320, 39918640]

約数ペア:

[(1, 39918640), (2, 19959320), (4, 9979660), (5, 7983728), (8, 4989830), (10, 3991864), (16, 2494915), (20, 1995932), (40, 997966), (80, 498983), (127, 314320), (254, 157160), (508, 78580), (635, 62864), (1016, 39290), (1270, 31432), (2032, 19645), (2540, 15716), (3929, 10160), (5080, 7858)]