254101360

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{20231}}^1$

素因数の和:20401

約数の個数: 40

約数和(自身を含む): 594578016

約数和(自身を除く): 340476656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 20231, 40462, 80924, 101155, 161848, 202310, 323696, 404620, 809240, 1618480, 3176267, 6352534, 12705068, 15881335, 25410136, 31762670, 50820272, 63525340, 127050680, 254101360]

約数ペア:

[(1, 254101360), (2, 127050680), (4, 63525340), (5, 50820272), (8, 31762670), (10, 25410136), (16, 15881335), (20, 12705068), (40, 6352534), (80, 3176267), (157, 1618480), (314, 809240), (628, 404620), (785, 323696), (1256, 202310), (1570, 161848), (2512, 101155), (3140, 80924), (6280, 40462), (12560, 20231)]