8688440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2617}}^1$

素因数の和:2711

約数の個数: 32

約数和(自身を含む): 19792080

約数和(自身を除く): 11103640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 2617, 3320, 5234, 10468, 13085, 20936, 26170, 52340, 104680, 217211, 434422, 868844, 1086055, 1737688, 2172110, 4344220, 8688440]

約数ペア:

[(1, 8688440), (2, 4344220), (4, 2172110), (5, 1737688), (8, 1086055), (10, 868844), (20, 434422), (40, 217211), (83, 104680), (166, 52340), (332, 26170), (415, 20936), (664, 13085), (830, 10468), (1660, 5234), (2617, 3320)]