15530440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2473}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 35180280

約数和(自身を除く): 19649840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2473, 3140, 4946, 6280, 9892, 12365, 19784, 24730, 49460, 98920, 388261, 776522, 1553044, 1941305, 3106088, 3882610, 7765220, 15530440]

約数ペア:

[(1, 15530440), (2, 7765220), (4, 3882610), (5, 3106088), (8, 1941305), (10, 1553044), (20, 776522), (40, 388261), (157, 98920), (314, 49460), (628, 24730), (785, 19784), (1256, 12365), (1570, 9892), (2473, 6280), (3140, 4946)]