40118780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154303}}^1$

素因数の和:154325

約数の個数: 24

約数和(自身を含む): 90730752

約数和(自身を除く): 50611972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154303, 308606, 617212, 771515, 1543030, 2005939, 3086060, 4011878, 8023756, 10029695, 20059390, 40118780]

約数ペア:

[(1, 40118780), (2, 20059390), (4, 10029695), (5, 8023756), (10, 4011878), (13, 3086060), (20, 2005939), (26, 1543030), (52, 771515), (65, 617212), (130, 308606), (260, 154303)]