2154100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1684

約数の個数: 36

約数和(自身を含む): 5037004

約数和(自身を除く): 2882904

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1657, 3314, 6628, 8285, 16570, 21541, 33140, 41425, 43082, 82850, 86164, 107705, 165700, 215410, 430820, 538525, 1077050, 2154100]

約数ペア:

[(1, 2154100), (2, 1077050), (4, 538525), (5, 430820), (10, 215410), (13, 165700), (20, 107705), (25, 86164), (26, 82850), (50, 43082), (52, 41425), (65, 33140), (100, 21541), (130, 16570), (260, 8285), (325, 6628), (650, 3314), (1300, 1657)]