128548960

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13171}}^1$

素因数の和:13247

約数の個数: 48

約数和(自身を含む): 308698992

約数和(自身を除く): 180150032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 13171, 26342, 52684, 65855, 105368, 131710, 210736, 263420, 421472, 526840, 803431, 1053680, 1606862, 2107360, 3213724, 4017155, 6427448, 8034310, 12854896, 16068620, 25709792, 32137240, 64274480, 128548960]

約数ペア:

[(1, 128548960), (2, 64274480), (4, 32137240), (5, 25709792), (8, 16068620), (10, 12854896), (16, 8034310), (20, 6427448), (32, 4017155), (40, 3213724), (61, 2107360), (80, 1606862), (122, 1053680), (160, 803431), (244, 526840), (305, 421472), (488, 263420), (610, 210736), (976, 131710), (1220, 105368), (1952, 65855), (2440, 52684), (4880, 26342), (9760, 13171)]