1391720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3163}}^1$

素因数の和:3185

約数の個数: 32

約数和(自身を含む): 3417120

約数和(自身を除く): 2025400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3163, 6326, 12652, 15815, 25304, 31630, 34793, 63260, 69586, 126520, 139172, 173965, 278344, 347930, 695860, 1391720]

約数ペア:

[(1, 1391720), (2, 695860), (4, 347930), (5, 278344), (8, 173965), (10, 139172), (11, 126520), (20, 69586), (22, 63260), (40, 34793), (44, 31630), (55, 25304), (88, 15815), (110, 12652), (220, 6326), (440, 3163)]