13923440

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:929

約数の個数: 40

約数和(自身を含む): 32542560

約数和(自身を除く): 18619120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 647, 1076, 1294, 1345, 2152, 2588, 2690, 3235, 4304, 5176, 5380, 6470, 10352, 10760, 12940, 21520, 25880, 51760, 174043, 348086, 696172, 870215, 1392344, 1740430, 2784688, 3480860, 6961720, 13923440]

約数ペア:

[(1, 13923440), (2, 6961720), (4, 3480860), (5, 2784688), (8, 1740430), (10, 1392344), (16, 870215), (20, 696172), (40, 348086), (80, 174043), (269, 51760), (538, 25880), (647, 21520), (1076, 12940), (1294, 10760), (1345, 10352), (2152, 6470), (2588, 5380), (2690, 5176), (3235, 4304)]