55409720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1368

約数の個数: 64

約数和(自身を含む): 132559200

約数和(自身を除く): 77149480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1291, 1480, 2146, 2582, 4292, 5164, 5365, 6455, 8584, 10328, 10730, 12910, 21460, 25820, 37439, 42920, 47767, 51640, 74878, 95534, 149756, 187195, 191068, 238835, 299512, 374390, 382136, 477670, 748780, 955340, 1385243, 1497560, 1910680, 2770486, 5540972, 6926215, 11081944, 13852430, 27704860, 55409720]

約数ペア:

[(1, 55409720), (2, 27704860), (4, 13852430), (5, 11081944), (8, 6926215), (10, 5540972), (20, 2770486), (29, 1910680), (37, 1497560), (40, 1385243), (58, 955340), (74, 748780), (116, 477670), (145, 382136), (148, 374390), (185, 299512), (232, 238835), (290, 191068), (296, 187195), (370, 149756), (580, 95534), (740, 74878), (1073, 51640), (1160, 47767), (1291, 42920), (1480, 37439), (2146, 25820), (2582, 21460), (4292, 12910), (5164, 10730), (5365, 10328), (6455, 8584)]