8413120

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:509

約数の個数: 56

約数和(自身を含む): 20409408

約数和(自身を除く): 11996288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 431, 488, 610, 862, 976, 1220, 1724, 1952, 2155, 2440, 3448, 3904, 4310, 4880, 6896, 8620, 9760, 13792, 17240, 19520, 26291, 27584, 34480, 52582, 68960, 105164, 131455, 137920, 210328, 262910, 420656, 525820, 841312, 1051640, 1682624, 2103280, 4206560, 8413120]

約数ペア:

[(1, 8413120), (2, 4206560), (4, 2103280), (5, 1682624), (8, 1051640), (10, 841312), (16, 525820), (20, 420656), (32, 262910), (40, 210328), (61, 137920), (64, 131455), (80, 105164), (122, 68960), (160, 52582), (244, 34480), (305, 27584), (320, 26291), (431, 19520), (488, 17240), (610, 13792), (862, 9760), (976, 8620), (1220, 6896), (1724, 4880), (1952, 4310), (2155, 3904), (2440, 3448)]