1258478840

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{116959}}^1$

素因数の和:117239

約数の個数: 32

約数和(自身を含む): 2842128000

約数和(自身を除く): 1583649160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 116959, 233918, 467836, 584795, 935672, 1169590, 2339180, 4678360, 31461971, 62923942, 125847884, 157309855, 251695768, 314619710, 629239420, 1258478840]

約数ペア:

[(1, 1258478840), (2, 629239420), (4, 314619710), (5, 251695768), (8, 157309855), (10, 125847884), (20, 62923942), (40, 31461971), (269, 4678360), (538, 2339180), (1076, 1169590), (1345, 935672), (2152, 584795), (2690, 467836), (5380, 233918), (10760, 116959)]