4398280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3547}}^1$

素因数の和:3589

約数の個数: 32

約数和(自身を含む): 10218240

約数和(自身を除く): 5819960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3547, 7094, 14188, 17735, 28376, 35470, 70940, 109957, 141880, 219914, 439828, 549785, 879656, 1099570, 2199140, 4398280]

約数ペア:

[(1, 4398280), (2, 2199140), (4, 1099570), (5, 879656), (8, 549785), (10, 439828), (20, 219914), (31, 141880), (40, 109957), (62, 70940), (124, 35470), (155, 28376), (248, 17735), (310, 14188), (620, 7094), (1240, 3547)]