40043380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{661}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 91085904

約数和(自身を除く): 51042524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 233, 260, 466, 661, 932, 1165, 1322, 2330, 2644, 3029, 3305, 4660, 6058, 6610, 8593, 12116, 13220, 15145, 17186, 30290, 34372, 42965, 60580, 85930, 154013, 171860, 308026, 616052, 770065, 1540130, 2002169, 3080260, 4004338, 8008676, 10010845, 20021690, 40043380]

約数ペア:

[(1, 40043380), (2, 20021690), (4, 10010845), (5, 8008676), (10, 4004338), (13, 3080260), (20, 2002169), (26, 1540130), (52, 770065), (65, 616052), (130, 308026), (233, 171860), (260, 154013), (466, 85930), (661, 60580), (932, 42965), (1165, 34372), (1322, 30290), (2330, 17186), (2644, 15145), (3029, 13220), (3305, 12116), (4660, 8593), (6058, 6610)]