16391480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8363}}^1$

素因数の和:8388

約数の個数: 48

約数和(自身を含む): 42907320

約数和(自身を除く): 26515840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8363, 16726, 33452, 41815, 58541, 66904, 83630, 117082, 167260, 234164, 292705, 334520, 409787, 468328, 585410, 819574, 1170820, 1639148, 2048935, 2341640, 3278296, 4097870, 8195740, 16391480]

約数ペア:

[(1, 16391480), (2, 8195740), (4, 4097870), (5, 3278296), (7, 2341640), (8, 2048935), (10, 1639148), (14, 1170820), (20, 819574), (28, 585410), (35, 468328), (40, 409787), (49, 334520), (56, 292705), (70, 234164), (98, 167260), (140, 117082), (196, 83630), (245, 66904), (280, 58541), (392, 41815), (490, 33452), (980, 16726), (1960, 8363)]