39998896

素因数分解:

$2^4\times 7^2\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:498

約数の個数: 60

約数和(自身を含む): 90993432

約数和(自身を除く): 50994536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 163, 196, 313, 326, 392, 626, 652, 784, 1141, 1252, 1304, 2191, 2282, 2504, 2608, 4382, 4564, 5008, 7987, 8764, 9128, 15337, 15974, 17528, 18256, 30674, 31948, 35056, 51019, 61348, 63896, 102038, 122696, 127792, 204076, 245392, 357133, 408152, 714266, 816304, 1428532, 2499931, 2857064, 4999862, 5714128, 9999724, 19999448, 39998896]

約数ペア:

[(1, 39998896), (2, 19999448), (4, 9999724), (7, 5714128), (8, 4999862), (14, 2857064), (16, 2499931), (28, 1428532), (49, 816304), (56, 714266), (98, 408152), (112, 357133), (163, 245392), (196, 204076), (313, 127792), (326, 122696), (392, 102038), (626, 63896), (652, 61348), (784, 51019), (1141, 35056), (1252, 31948), (1304, 30674), (2191, 18256), (2282, 17528), (2504, 15974), (2608, 15337), (4382, 9128), (4564, 8764), (5008, 7987)]