15538900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11953}}^1$

素因数の和:11980

約数の個数: 36

約数和(自身を含む): 36316252

約数和(自身を除く): 20777352

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 11953, 23906, 47812, 59765, 119530, 155389, 239060, 298825, 310778, 597650, 621556, 776945, 1195300, 1553890, 3107780, 3884725, 7769450, 15538900]

約数ペア:

[(1, 15538900), (2, 7769450), (4, 3884725), (5, 3107780), (10, 1553890), (13, 1195300), (20, 776945), (25, 621556), (26, 597650), (50, 310778), (52, 298825), (65, 239060), (100, 155389), (130, 119530), (260, 59765), (325, 47812), (650, 23906), (1300, 11953)]