4456660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 10280592

約数和(自身を除く): 5823932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 281, 305, 562, 610, 793, 1124, 1220, 1405, 1586, 2810, 3172, 3653, 3965, 5620, 7306, 7930, 14612, 15860, 17141, 18265, 34282, 36530, 68564, 73060, 85705, 171410, 222833, 342820, 445666, 891332, 1114165, 2228330, 4456660]

約数ペア:

[(1, 4456660), (2, 2228330), (4, 1114165), (5, 891332), (10, 445666), (13, 342820), (20, 222833), (26, 171410), (52, 85705), (61, 73060), (65, 68564), (122, 36530), (130, 34282), (244, 18265), (260, 17141), (281, 15860), (305, 14612), (562, 7930), (610, 7306), (793, 5620), (1124, 3965), (1220, 3653), (1405, 3172), (1586, 2810)]