6495220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^2$

素因数の和:228

約数の個数: 36

約数和(自身を含む): 14131404

約数和(自身を除く): 7636184

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 820, 890, 1780, 3649, 7298, 7921, 14596, 15842, 18245, 31684, 36490, 39605, 72980, 79210, 158420, 324761, 649522, 1299044, 1623805, 3247610, 6495220]

約数ペア:

[(1, 6495220), (2, 3247610), (4, 1623805), (5, 1299044), (10, 649522), (20, 324761), (41, 158420), (82, 79210), (89, 72980), (164, 39605), (178, 36490), (205, 31684), (356, 18245), (410, 15842), (445, 14596), (820, 7921), (890, 7298), (1780, 3649)]