55378960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7607}}^1$

素因数の和:7640

約数の個数: 80

約数和(自身を含む): 158489856

約数和(自身を除く): 103110896

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 7607, 15214, 30428, 38035, 53249, 60856, 76070, 98891, 106498, 121712, 152140, 197782, 212996, 266245, 304280, 395564, 425992, 494455, 532490, 608560, 692237, 791128, 851984, 988910, 1064980, 1384474, 1582256, 1977820, 2129960, 2768948, 3461185, 3955640, 4259920, 5537896, 6922370, 7911280, 11075792, 13844740, 27689480, 55378960]

約数ペア:

[(1, 55378960), (2, 27689480), (4, 13844740), (5, 11075792), (7, 7911280), (8, 6922370), (10, 5537896), (13, 4259920), (14, 3955640), (16, 3461185), (20, 2768948), (26, 2129960), (28, 1977820), (35, 1582256), (40, 1384474), (52, 1064980), (56, 988910), (65, 851984), (70, 791128), (80, 692237), (91, 608560), (104, 532490), (112, 494455), (130, 425992), (140, 395564), (182, 304280), (208, 266245), (260, 212996), (280, 197782), (364, 152140), (455, 121712), (520, 106498), (560, 98891), (728, 76070), (910, 60856), (1040, 53249), (1456, 38035), (1820, 30428), (3640, 15214), (7280, 7607)]