28650520

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4289}}^1$

素因数の和:4467

約数の個数: 32

約数和(自身を含む): 64864800

約数和(自身を除く): 36214280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 4289, 6680, 8578, 17156, 21445, 34312, 42890, 85780, 171560, 716263, 1432526, 2865052, 3581315, 5730104, 7162630, 14325260, 28650520]

約数ペア:

[(1, 28650520), (2, 14325260), (4, 7162630), (5, 5730104), (8, 3581315), (10, 2865052), (20, 1432526), (40, 716263), (167, 171560), (334, 85780), (668, 42890), (835, 34312), (1336, 21445), (1670, 17156), (3340, 8578), (4289, 6680)]