146880040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89561}}^1$

素因数の和:89613

約数の個数: 32

約数和(自身を含む): 338544360

約数和(自身を除く): 191664320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 89561, 179122, 358244, 447805, 716488, 895610, 1791220, 3582440, 3672001, 7344002, 14688004, 18360005, 29376008, 36720010, 73440020, 146880040]

約数ペア:

[(1, 146880040), (2, 73440020), (4, 36720010), (5, 29376008), (8, 18360005), (10, 14688004), (20, 7344002), (40, 3672001), (41, 3582440), (82, 1791220), (164, 895610), (205, 716488), (328, 447805), (410, 358244), (820, 179122), (1640, 89561)]