202128940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{777419}}^1$

素因数の和:777441

約数の個数: 24

約数和(自身を含む): 457122960

約数和(自身を除く): 254994020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 777419, 1554838, 3109676, 3887095, 7774190, 10106447, 15548380, 20212894, 40425788, 50532235, 101064470, 202128940]

約数ペア:

[(1, 202128940), (2, 101064470), (4, 50532235), (5, 40425788), (10, 20212894), (13, 15548380), (20, 10106447), (26, 7774190), (52, 3887095), (65, 3109676), (130, 1554838), (260, 777419)]