39841980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28871}}^1$

素因数の和:28906

約数の個数: 48

約数和(自身を含む): 116411904

約数和(自身を除く): 76569924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 28871, 57742, 86613, 115484, 144355, 173226, 288710, 346452, 433065, 577420, 664033, 866130, 1328066, 1732260, 1992099, 2656132, 3320165, 3984198, 6640330, 7968396, 9960495, 13280660, 19920990, 39841980]

約数ペア:

[(1, 39841980), (2, 19920990), (3, 13280660), (4, 9960495), (5, 7968396), (6, 6640330), (10, 3984198), (12, 3320165), (15, 2656132), (20, 1992099), (23, 1732260), (30, 1328066), (46, 866130), (60, 664033), (69, 577420), (92, 433065), (115, 346452), (138, 288710), (230, 173226), (276, 144355), (345, 115484), (460, 86613), (690, 57742), (1380, 28871)]