142820540

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{11317}}^1$

素因数の和:11957

約数の個数: 24

約数和(自身を含む): 300424992

約数和(自身を除く): 157604452

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 11317, 12620, 22634, 45268, 56585, 113170, 226340, 7141027, 14282054, 28564108, 35705135, 71410270, 142820540]

約数ペア:

[(1, 142820540), (2, 71410270), (4, 35705135), (5, 28564108), (10, 14282054), (20, 7141027), (631, 226340), (1262, 113170), (2524, 56585), (3155, 45268), (6310, 22634), (11317, 12620)]