12809713040

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1799117}}^1$

素因数の和:1799219

約数の個数: 40

約数和(自身を含む): 30117235320

約数和(自身を除く): 17307522280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 1799117, 3598234, 7196468, 8995585, 14392936, 17991170, 28785872, 35982340, 71964680, 143929360, 160121413, 320242826, 640485652, 800607065, 1280971304, 1601214130, 2561942608, 3202428260, 6404856520, 12809713040]

約数ペア:

[(1, 12809713040), (2, 6404856520), (4, 3202428260), (5, 2561942608), (8, 1601214130), (10, 1280971304), (16, 800607065), (20, 640485652), (40, 320242826), (80, 160121413), (89, 143929360), (178, 71964680), (356, 35982340), (445, 28785872), (712, 17991170), (890, 14392936), (1424, 8995585), (1780, 7196468), (3560, 3598234), (7120, 1799117)]