161805920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43969}}^1$

素因数の和:44007

約数の個数: 48

約数和(自身を含む): 398895840

約数和(自身を除く): 237089920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 43969, 87938, 175876, 219845, 351752, 439690, 703504, 879380, 1011287, 1407008, 1758760, 2022574, 3517520, 4045148, 5056435, 7035040, 8090296, 10112870, 16180592, 20225740, 32361184, 40451480, 80902960, 161805920]

約数ペア:

[(1, 161805920), (2, 80902960), (4, 40451480), (5, 32361184), (8, 20225740), (10, 16180592), (16, 10112870), (20, 8090296), (23, 7035040), (32, 5056435), (40, 4045148), (46, 3517520), (80, 2022574), (92, 1758760), (115, 1407008), (160, 1011287), (184, 879380), (230, 703504), (368, 439690), (460, 351752), (736, 219845), (920, 175876), (1840, 87938), (3680, 43969)]