268266920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{126541}}^1$

素因数の和:126605

約数の個数: 32

約数和(自身を含む): 614994120

約数和(自身を除く): 346727200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 126541, 253082, 506164, 632705, 1012328, 1265410, 2530820, 5061640, 6706673, 13413346, 26826692, 33533365, 53653384, 67066730, 134133460, 268266920]

約数ペア:

[(1, 268266920), (2, 134133460), (4, 67066730), (5, 53653384), (8, 33533365), (10, 26826692), (20, 13413346), (40, 6706673), (53, 5061640), (106, 2530820), (212, 1265410), (265, 1012328), (424, 632705), (530, 506164), (1060, 253082), (2120, 126541)]