91087960

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{13163}}^1$

素因数の和:13347

約数の個数: 32

約数和(自身を含む): 206148240

約数和(自身を除く): 115060280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 13163, 26326, 52652, 65815, 105304, 131630, 263260, 526520, 2277199, 4554398, 9108796, 11385995, 18217592, 22771990, 45543980, 91087960]

約数ペア:

[(1, 91087960), (2, 45543980), (4, 22771990), (5, 18217592), (8, 11385995), (10, 9108796), (20, 4554398), (40, 2277199), (173, 526520), (346, 263260), (692, 131630), (865, 105304), (1384, 65815), (1730, 52652), (3460, 26326), (6920, 13163)]