39852680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{20333}}^1$

素因数の和:20358

約数の個数: 48

約数和(自身を含む): 104313420

約数和(自身を除く): 64460740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 20333, 40666, 81332, 101665, 142331, 162664, 203330, 284662, 406660, 569324, 711655, 813320, 996317, 1138648, 1423310, 1992634, 2846620, 3985268, 4981585, 5693240, 7970536, 9963170, 19926340, 39852680]

約数ペア:

[(1, 39852680), (2, 19926340), (4, 9963170), (5, 7970536), (7, 5693240), (8, 4981585), (10, 3985268), (14, 2846620), (20, 1992634), (28, 1423310), (35, 1138648), (40, 996317), (49, 813320), (56, 711655), (70, 569324), (98, 406660), (140, 284662), (196, 203330), (245, 162664), (280, 142331), (392, 101665), (490, 81332), (980, 40666), (1960, 20333)]