42842020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3109}}^1$

素因数の和:3184

約数の個数: 48

約数和(自身を含む): 98748720

約数和(自身を除く): 55906700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3109, 3445, 6218, 6890, 12436, 13780, 15545, 31090, 40417, 62180, 80834, 161668, 164777, 202085, 329554, 404170, 659108, 808340, 823885, 1647770, 2142101, 3295540, 4284202, 8568404, 10710505, 21421010, 42842020]

約数ペア:

[(1, 42842020), (2, 21421010), (4, 10710505), (5, 8568404), (10, 4284202), (13, 3295540), (20, 2142101), (26, 1647770), (52, 823885), (53, 808340), (65, 659108), (106, 404170), (130, 329554), (212, 202085), (260, 164777), (265, 161668), (530, 80834), (689, 62180), (1060, 40417), (1378, 31090), (2756, 15545), (3109, 13780), (3445, 12436), (6218, 6890)]