1243223440

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{24019}}^1$

素因数の和:24679

約数の個数: 40

約数和(自身を含む): 2895082560

約数和(自身を除く): 1651859120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 2588, 3235, 5176, 6470, 10352, 12940, 24019, 25880, 48038, 51760, 96076, 120095, 192152, 240190, 384304, 480380, 960760, 1921520, 15540293, 31080586, 62161172, 77701465, 124322344, 155402930, 248644688, 310805860, 621611720, 1243223440]

約数ペア:

[(1, 1243223440), (2, 621611720), (4, 310805860), (5, 248644688), (8, 155402930), (10, 124322344), (16, 77701465), (20, 62161172), (40, 31080586), (80, 15540293), (647, 1921520), (1294, 960760), (2588, 480380), (3235, 384304), (5176, 240190), (6470, 192152), (10352, 120095), (12940, 96076), (24019, 51760), (25880, 48038)]