2145753800

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{81899}}^1$

素因数の和:82046

約数の個数: 48

約数和(自身を含む): 5027022000

約数和(自身を除く): 2881268200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1310, 2620, 3275, 5240, 6550, 13100, 26200, 81899, 163798, 327596, 409495, 655192, 818990, 1637980, 2047475, 3275960, 4094950, 8189900, 10728769, 16379800, 21457538, 42915076, 53643845, 85830152, 107287690, 214575380, 268219225, 429150760, 536438450, 1072876900, 2145753800]

約数ペア:

[(1, 2145753800), (2, 1072876900), (4, 536438450), (5, 429150760), (8, 268219225), (10, 214575380), (20, 107287690), (25, 85830152), (40, 53643845), (50, 42915076), (100, 21457538), (131, 16379800), (200, 10728769), (262, 8189900), (524, 4094950), (655, 3275960), (1048, 2047475), (1310, 1637980), (2620, 818990), (3275, 655192), (5240, 409495), (6550, 327596), (13100, 163798), (26200, 81899)]