16018040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 37756800

約数和(自身を除く): 21738760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 137, 148, 158, 185, 274, 296, 316, 370, 395, 548, 632, 685, 740, 790, 1096, 1370, 1480, 1580, 2740, 2923, 3160, 5069, 5480, 5846, 10138, 10823, 11692, 14615, 20276, 21646, 23384, 25345, 29230, 40552, 43292, 50690, 54115, 58460, 86584, 101380, 108230, 116920, 202760, 216460, 400451, 432920, 800902, 1601804, 2002255, 3203608, 4004510, 8009020, 16018040]

約数ペア:

[(1, 16018040), (2, 8009020), (4, 4004510), (5, 3203608), (8, 2002255), (10, 1601804), (20, 800902), (37, 432920), (40, 400451), (74, 216460), (79, 202760), (137, 116920), (148, 108230), (158, 101380), (185, 86584), (274, 58460), (296, 54115), (316, 50690), (370, 43292), (395, 40552), (548, 29230), (632, 25345), (685, 23384), (740, 21646), (790, 20276), (1096, 14615), (1370, 11692), (1480, 10823), (1580, 10138), (2740, 5846), (2923, 5480), (3160, 5069)]