2021323240

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{51407}}^1$

素因数の和:52401

約数の個数: 32

約数和(自身を含む): 4552692480

約数和(自身を除く): 2531369240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1966, 3932, 4915, 7864, 9830, 19660, 39320, 51407, 102814, 205628, 257035, 411256, 514070, 1028140, 2056280, 50533081, 101066162, 202132324, 252665405, 404264648, 505330810, 1010661620, 2021323240]

約数ペア:

[(1, 2021323240), (2, 1010661620), (4, 505330810), (5, 404264648), (8, 252665405), (10, 202132324), (20, 101066162), (40, 50533081), (983, 2056280), (1966, 1028140), (3932, 514070), (4915, 411256), (7864, 257035), (9830, 205628), (19660, 102814), (39320, 51407)]