887960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 2030400

約数和(自身を除く): 1142440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 281, 316, 395, 562, 632, 790, 1124, 1405, 1580, 2248, 2810, 3160, 5620, 11240, 22199, 44398, 88796, 110995, 177592, 221990, 443980, 887960]

約数ペア:

[(1, 887960), (2, 443980), (4, 221990), (5, 177592), (8, 110995), (10, 88796), (20, 44398), (40, 22199), (79, 11240), (158, 5620), (281, 3160), (316, 2810), (395, 2248), (562, 1580), (632, 1405), (790, 1124)]