24984980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 54017040

約数和(自身を除く): 29032060

約数列:

[1, 2, 4, 5, 10, 20, 73, 109, 146, 157, 218, 292, 314, 365, 436, 545, 628, 730, 785, 1090, 1460, 1570, 2180, 3140, 7957, 11461, 15914, 17113, 22922, 31828, 34226, 39785, 45844, 57305, 68452, 79570, 85565, 114610, 159140, 171130, 229220, 342260, 1249249, 2498498, 4996996, 6246245, 12492490, 24984980]

約数ペア:

[(1, 24984980), (2, 12492490), (4, 6246245), (5, 4996996), (10, 2498498), (20, 1249249), (73, 342260), (109, 229220), (146, 171130), (157, 159140), (218, 114610), (292, 85565), (314, 79570), (365, 68452), (436, 57305), (545, 45844), (628, 39785), (730, 34226), (785, 31828), (1090, 22922), (1460, 17113), (1570, 15914), (2180, 11461), (3140, 7957)]