11877920

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1293

約数の個数: 48

約数和(自身を含む): 28545048

約数和(自身を除く): 16667128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1217, 1220, 1952, 2434, 2440, 4868, 4880, 6085, 9736, 9760, 12170, 19472, 24340, 38944, 48680, 74237, 97360, 148474, 194720, 296948, 371185, 593896, 742370, 1187792, 1484740, 2375584, 2969480, 5938960, 11877920]

約数ペア:

[(1, 11877920), (2, 5938960), (4, 2969480), (5, 2375584), (8, 1484740), (10, 1187792), (16, 742370), (20, 593896), (32, 371185), (40, 296948), (61, 194720), (80, 148474), (122, 97360), (160, 74237), (244, 48680), (305, 38944), (488, 24340), (610, 19472), (976, 12170), (1217, 9760), (1220, 9736), (1952, 6085), (2434, 4880), (2440, 4868)]