2013121090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{10037}}^1$

素因数の和:10722

約数の個数: 32

約数和(自身を含む): 3746663424

約数和(自身を除く): 1733542334

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 647, 1294, 3235, 6470, 10037, 20057, 20074, 40114, 50185, 100285, 100370, 200570, 311147, 622294, 1555735, 3111470, 6493939, 12987878, 32469695, 64939390, 201312109, 402624218, 1006560545, 2013121090]

約数ペア:

[(1, 2013121090), (2, 1006560545), (5, 402624218), (10, 201312109), (31, 64939390), (62, 32469695), (155, 12987878), (310, 6493939), (647, 3111470), (1294, 1555735), (3235, 622294), (6470, 311147), (10037, 200570), (20057, 100370), (20074, 100285), (40114, 50185)]