87004970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1669}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 169177680

約数和(自身を除く): 82172710

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 401, 802, 1669, 2005, 3338, 4010, 5213, 8345, 10426, 16690, 21697, 26065, 43394, 52130, 108485, 216970, 669269, 1338538, 3346345, 6692690, 8700497, 17400994, 43502485, 87004970]

約数ペア:

[(1, 87004970), (2, 43502485), (5, 17400994), (10, 8700497), (13, 6692690), (26, 3346345), (65, 1338538), (130, 669269), (401, 216970), (802, 108485), (1669, 52130), (2005, 43394), (3338, 26065), (4010, 21697), (5213, 16690), (8345, 10426)]