31940000

素因数分解:

$2^5\times 5^4\times {\mathrm{1597}}^1$

素因数の和:1627

約数の個数: 60

約数和(自身を含む): 78626394

約数和(自身を除く): 46686394

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 1597, 2000, 2500, 3194, 4000, 5000, 6388, 7985, 10000, 12776, 15970, 20000, 25552, 31940, 39925, 51104, 63880, 79850, 127760, 159700, 199625, 255520, 319400, 399250, 638800, 798500, 998125, 1277600, 1597000, 1996250, 3194000, 3992500, 6388000, 7985000, 15970000, 31940000]

約数ペア:

[(1, 31940000), (2, 15970000), (4, 7985000), (5, 6388000), (8, 3992500), (10, 3194000), (16, 1996250), (20, 1597000), (25, 1277600), (32, 998125), (40, 798500), (50, 638800), (80, 399250), (100, 319400), (125, 255520), (160, 199625), (200, 159700), (250, 127760), (400, 79850), (500, 63880), (625, 51104), (800, 39925), (1000, 31940), (1250, 25552), (1597, 20000), (2000, 15970), (2500, 12776), (3194, 10000), (4000, 7985), (5000, 6388)]