840710320

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{126613}}^1$

素因数の和:126709

約数の個数: 40

約数和(自身を含む): 1978217136

約数和(自身を除く): 1137506816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 126613, 253226, 506452, 633065, 1012904, 1266130, 2025808, 2532260, 5064520, 10129040, 10508879, 21017758, 42035516, 52544395, 84071032, 105088790, 168142064, 210177580, 420355160, 840710320]

約数ペア:

[(1, 840710320), (2, 420355160), (4, 210177580), (5, 168142064), (8, 105088790), (10, 84071032), (16, 52544395), (20, 42035516), (40, 21017758), (80, 10508879), (83, 10129040), (166, 5064520), (332, 2532260), (415, 2025808), (664, 1266130), (830, 1012904), (1328, 633065), (1660, 506452), (3320, 253226), (6640, 126613)]