40378780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155303}}^1$

素因数の和:155325

約数の個数: 24

約数和(自身を含む): 91318752

約数和(自身を除く): 50939972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155303, 310606, 621212, 776515, 1553030, 2018939, 3106060, 4037878, 8075756, 10094695, 20189390, 40378780]

約数ペア:

[(1, 40378780), (2, 20189390), (4, 10094695), (5, 8075756), (10, 4037878), (13, 3106060), (20, 2018939), (26, 1553030), (52, 776515), (65, 621212), (130, 310606), (260, 155303)]