16099980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20641}}^1$

素因数の和:20666

約数の個数: 48

約数和(自身を含む): 48549984

約数和(自身を除く): 32450004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20641, 41282, 61923, 82564, 103205, 123846, 206410, 247692, 268333, 309615, 412820, 536666, 619230, 804999, 1073332, 1238460, 1341665, 1609998, 2683330, 3219996, 4024995, 5366660, 8049990, 16099980]

約数ペア:

[(1, 16099980), (2, 8049990), (3, 5366660), (4, 4024995), (5, 3219996), (6, 2683330), (10, 1609998), (12, 1341665), (13, 1238460), (15, 1073332), (20, 804999), (26, 619230), (30, 536666), (39, 412820), (52, 309615), (60, 268333), (65, 247692), (78, 206410), (130, 123846), (156, 103205), (195, 82564), (260, 61923), (390, 41282), (780, 20641)]