28812383960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{71837}}^1$

素因数の和:72156

約数の個数: 64

約数和(自身を含む): 66826581120

約数和(自身を除く): 38014197160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 271, 296, 370, 542, 740, 1084, 1355, 1480, 2168, 2710, 5420, 10027, 10840, 20054, 40108, 50135, 71837, 80216, 100270, 143674, 200540, 287348, 359185, 401080, 574696, 718370, 1436740, 2657969, 2873480, 5315938, 10631876, 13289845, 19467827, 21263752, 26579690, 38935654, 53159380, 77871308, 97339135, 106318760, 155742616, 194678270, 389356540, 720309599, 778713080, 1440619198, 2881238396, 3601547995, 5762476792, 7203095990, 14406191980, 28812383960]

約数ペア:

[(1, 28812383960), (2, 14406191980), (4, 7203095990), (5, 5762476792), (8, 3601547995), (10, 2881238396), (20, 1440619198), (37, 778713080), (40, 720309599), (74, 389356540), (148, 194678270), (185, 155742616), (271, 106318760), (296, 97339135), (370, 77871308), (542, 53159380), (740, 38935654), (1084, 26579690), (1355, 21263752), (1480, 19467827), (2168, 13289845), (2710, 10631876), (5420, 5315938), (10027, 2873480), (10840, 2657969), (20054, 1436740), (40108, 718370), (50135, 574696), (71837, 401080), (80216, 359185), (100270, 287348), (143674, 200540)]