1323400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 3320100

約数和(自身を除く): 1996700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 509, 520, 650, 1018, 1300, 2036, 2545, 2600, 4072, 5090, 6617, 10180, 12725, 13234, 20360, 25450, 26468, 33085, 50900, 52936, 66170, 101800, 132340, 165425, 264680, 330850, 661700, 1323400]

約数ペア:

[(1, 1323400), (2, 661700), (4, 330850), (5, 264680), (8, 165425), (10, 132340), (13, 101800), (20, 66170), (25, 52936), (26, 50900), (40, 33085), (50, 26468), (52, 25450), (65, 20360), (100, 13234), (104, 12725), (130, 10180), (200, 6617), (260, 5090), (325, 4072), (509, 2600), (520, 2545), (650, 2036), (1018, 1300)]