40922840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{20879}}^1$

素因数の和:20904

約数の個数: 48

約数和(自身を含む): 107114400

約数和(自身を除く): 66191560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 20879, 41758, 83516, 104395, 146153, 167032, 208790, 292306, 417580, 584612, 730765, 835160, 1023071, 1169224, 1461530, 2046142, 2923060, 4092284, 5115355, 5846120, 8184568, 10230710, 20461420, 40922840]

約数ペア:

[(1, 40922840), (2, 20461420), (4, 10230710), (5, 8184568), (7, 5846120), (8, 5115355), (10, 4092284), (14, 2923060), (20, 2046142), (28, 1461530), (35, 1169224), (40, 1023071), (49, 835160), (56, 730765), (70, 584612), (98, 417580), (140, 292306), (196, 208790), (245, 167032), (280, 146153), (392, 104395), (490, 83516), (980, 41758), (1960, 20879)]