81726640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35227}}^1$

素因数の和:35269

約数の個数: 40

約数和(自身を含む): 196572240

約数和(自身を除く): 114845600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 35227, 70454, 140908, 176135, 281816, 352270, 563632, 704540, 1021583, 1409080, 2043166, 2818160, 4086332, 5107915, 8172664, 10215830, 16345328, 20431660, 40863320, 81726640]

約数ペア:

[(1, 81726640), (2, 40863320), (4, 20431660), (5, 16345328), (8, 10215830), (10, 8172664), (16, 5107915), (20, 4086332), (29, 2818160), (40, 2043166), (58, 1409080), (80, 1021583), (116, 704540), (145, 563632), (232, 352270), (290, 281816), (464, 176135), (580, 140908), (1160, 70454), (2320, 35227)]