266198480

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{5393}}^1$

素因数の和:6023

約数の個数: 40

約数和(自身を含む): 620029512

約数和(自身を除く): 353831032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 2468, 3085, 4936, 5393, 6170, 9872, 10786, 12340, 21572, 24680, 26965, 43144, 49360, 53930, 86288, 107860, 215720, 431440, 3327481, 6654962, 13309924, 16637405, 26619848, 33274810, 53239696, 66549620, 133099240, 266198480]

約数ペア:

[(1, 266198480), (2, 133099240), (4, 66549620), (5, 53239696), (8, 33274810), (10, 26619848), (16, 16637405), (20, 13309924), (40, 6654962), (80, 3327481), (617, 431440), (1234, 215720), (2468, 107860), (3085, 86288), (4936, 53930), (5393, 49360), (6170, 43144), (9872, 26965), (10786, 24680), (12340, 21572)]