30925240

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1249}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 69750000

約数和(自身を除く): 38824760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 1249, 2476, 2498, 3095, 4952, 4996, 6190, 6245, 9992, 12380, 12490, 24760, 24980, 49960, 773131, 1546262, 3092524, 3865655, 6185048, 7731310, 15462620, 30925240]

約数ペア:

[(1, 30925240), (2, 15462620), (4, 7731310), (5, 6185048), (8, 3865655), (10, 3092524), (20, 1546262), (40, 773131), (619, 49960), (1238, 24980), (1249, 24760), (2476, 12490), (2498, 12380), (3095, 9992), (4952, 6245), (4996, 6190)]