1420040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 3231360

約数和(自身を除く): 1811320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 271, 524, 542, 655, 1048, 1084, 1310, 1355, 2168, 2620, 2710, 5240, 5420, 10840, 35501, 71002, 142004, 177505, 284008, 355010, 710020, 1420040]

約数ペア:

[(1, 1420040), (2, 710020), (4, 355010), (5, 284008), (8, 177505), (10, 142004), (20, 71002), (40, 35501), (131, 10840), (262, 5420), (271, 5240), (524, 2710), (542, 2620), (655, 2168), (1048, 1355), (1084, 1310)]