55389840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20981}}^1$

素因数の和:21008

約数の個数: 80

約数和(自身を含む): 187327296

約数和(自身を除く): 131937456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 20981, 41962, 62943, 83924, 104905, 125886, 167848, 209810, 230791, 251772, 314715, 335696, 419620, 461582, 503544, 629430, 692373, 839240, 923164, 1007088, 1153955, 1258860, 1384746, 1678480, 1846328, 2307910, 2517720, 2769492, 3461865, 3692656, 4615820, 5035440, 5538984, 6923730, 9231640, 11077968, 13847460, 18463280, 27694920, 55389840]

約数ペア:

[(1, 55389840), (2, 27694920), (3, 18463280), (4, 13847460), (5, 11077968), (6, 9231640), (8, 6923730), (10, 5538984), (11, 5035440), (12, 4615820), (15, 3692656), (16, 3461865), (20, 2769492), (22, 2517720), (24, 2307910), (30, 1846328), (33, 1678480), (40, 1384746), (44, 1258860), (48, 1153955), (55, 1007088), (60, 923164), (66, 839240), (80, 692373), (88, 629430), (110, 503544), (120, 461582), (132, 419620), (165, 335696), (176, 314715), (220, 251772), (240, 230791), (264, 209810), (330, 167848), (440, 125886), (528, 104905), (660, 83924), (880, 62943), (1320, 41962), (2640, 20981)]