39968340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{666139}}^1$

素因数の和:666151

約数の個数: 24

約数和(自身を含む): 111911520

約数和(自身を除く): 71943180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 666139, 1332278, 1998417, 2664556, 3330695, 3996834, 6661390, 7993668, 9992085, 13322780, 19984170, 39968340]

約数ペア:

[(1, 39968340), (2, 19984170), (3, 13322780), (4, 9992085), (5, 7993668), (6, 6661390), (10, 3996834), (12, 3330695), (15, 2664556), (20, 1998417), (30, 1332278), (60, 666139)]