1138160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:401

約数の個数: 40

約数和(自身を含む): 2718576

約数和(自身を除く): 1580416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 347, 410, 656, 694, 820, 1388, 1640, 1735, 2776, 3280, 3470, 5552, 6940, 13880, 14227, 27760, 28454, 56908, 71135, 113816, 142270, 227632, 284540, 569080, 1138160]

約数ペア:

[(1, 1138160), (2, 569080), (4, 284540), (5, 227632), (8, 142270), (10, 113816), (16, 71135), (20, 56908), (40, 28454), (41, 27760), (80, 14227), (82, 13880), (164, 6940), (205, 5552), (328, 3470), (347, 3280), (410, 2776), (656, 1735), (694, 1640), (820, 1388)]