120991760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{48787}}^1$

素因数の和:48831

約数の個数: 40

約数和(自身を含む): 290386176

約数和(自身を除く): 169394416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 48787, 97574, 195148, 243935, 390296, 487870, 780592, 975740, 1512397, 1951480, 3024794, 3902960, 6049588, 7561985, 12099176, 15123970, 24198352, 30247940, 60495880, 120991760]

約数ペア:

[(1, 120991760), (2, 60495880), (4, 30247940), (5, 24198352), (8, 15123970), (10, 12099176), (16, 7561985), (20, 6049588), (31, 3902960), (40, 3024794), (62, 1951480), (80, 1512397), (124, 975740), (155, 780592), (248, 487870), (310, 390296), (496, 243935), (620, 195148), (1240, 97574), (2480, 48787)]