263380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1013}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 596232

約数和(自身を除く): 332852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1013, 2026, 4052, 5065, 10130, 13169, 20260, 26338, 52676, 65845, 131690, 263380]

約数ペア:

[(1, 263380), (2, 131690), (4, 65845), (5, 52676), (10, 26338), (13, 20260), (20, 13169), (26, 10130), (52, 5065), (65, 4052), (130, 2026), (260, 1013)]