6390291280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4204139}}^1$

素因数の和:4204171

約数の個数: 40

約数和(自身を含む): 15639400800

約数和(自身を除く): 9249109520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 4204139, 8408278, 16816556, 21020695, 33633112, 42041390, 67266224, 79878641, 84082780, 159757282, 168165560, 319514564, 336331120, 399393205, 639029128, 798786410, 1278058256, 1597572820, 3195145640, 6390291280]

約数ペア:

[(1, 6390291280), (2, 3195145640), (4, 1597572820), (5, 1278058256), (8, 798786410), (10, 639029128), (16, 399393205), (19, 336331120), (20, 319514564), (38, 168165560), (40, 159757282), (76, 84082780), (80, 79878641), (95, 67266224), (152, 42041390), (190, 33633112), (304, 21020695), (380, 16816556), (760, 8408278), (1520, 4204139)]