25071440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3967}}^1$

素因数の和:4059

約数の個数: 40

約数和(自身を含む): 59043840

約数和(自身を除く): 33972400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 3967, 6320, 7934, 15868, 19835, 31736, 39670, 63472, 79340, 158680, 313393, 317360, 626786, 1253572, 1566965, 2507144, 3133930, 5014288, 6267860, 12535720, 25071440]

約数ペア:

[(1, 25071440), (2, 12535720), (4, 6267860), (5, 5014288), (8, 3133930), (10, 2507144), (16, 1566965), (20, 1253572), (40, 626786), (79, 317360), (80, 313393), (158, 158680), (316, 79340), (395, 63472), (632, 39670), (790, 31736), (1264, 19835), (1580, 15868), (3160, 7934), (3967, 6320)]