161582950

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{8059}}^1$

素因数の和:8472

約数の個数: 24

約数和(自身を含む): 301331160

約数和(自身を除く): 139748210

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 2005, 4010, 8059, 10025, 16118, 20050, 40295, 80590, 201475, 402950, 3231659, 6463318, 16158295, 32316590, 80791475, 161582950]

約数ペア:

[(1, 161582950), (2, 80791475), (5, 32316590), (10, 16158295), (25, 6463318), (50, 3231659), (401, 402950), (802, 201475), (2005, 80590), (4010, 40295), (8059, 20050), (10025, 16118)]