1138687640

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{45989}}^1$

素因数の和:46619

約数の個数: 32

約数和(自身を含む): 2566242000

約数和(自身を除く): 1427554360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 2476, 3095, 4952, 6190, 12380, 24760, 45989, 91978, 183956, 229945, 367912, 459890, 919780, 1839560, 28467191, 56934382, 113868764, 142335955, 227737528, 284671910, 569343820, 1138687640]

約数ペア:

[(1, 1138687640), (2, 569343820), (4, 284671910), (5, 227737528), (8, 142335955), (10, 113868764), (20, 56934382), (40, 28467191), (619, 1839560), (1238, 919780), (2476, 459890), (3095, 367912), (4952, 229945), (6190, 183956), (12380, 91978), (24760, 45989)]