2173420

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 4592448

約数和(自身を除く): 2419028

約数列:

[1, 2, 4, 5, 10, 20, 271, 401, 542, 802, 1084, 1355, 1604, 2005, 2710, 4010, 5420, 8020, 108671, 217342, 434684, 543355, 1086710, 2173420]

約数ペア:

[(1, 2173420), (2, 1086710), (4, 543355), (5, 434684), (10, 217342), (20, 108671), (271, 8020), (401, 5420), (542, 4010), (802, 2710), (1084, 2005), (1355, 1604)]