145636220

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{40231}}^1$

素因数の和:40421

約数の個数: 24

約数和(自身を含む): 307533408

約数和(自身を除く): 161897188

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 40231, 80462, 160924, 201155, 402310, 804620, 7281811, 14563622, 29127244, 36409055, 72818110, 145636220]

約数ペア:

[(1, 145636220), (2, 72818110), (4, 36409055), (5, 29127244), (10, 14563622), (20, 7281811), (181, 804620), (362, 402310), (724, 201155), (905, 160924), (1810, 80462), (3620, 40231)]