71258320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127247}}^1$

素因数の和:127267

約数の個数: 40

約数和(自身を含む): 189345024

約数和(自身を除く): 118086704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 127247, 254494, 508988, 636235, 890729, 1017976, 1272470, 1781458, 2035952, 2544940, 3562916, 4453645, 5089880, 7125832, 8907290, 10179760, 14251664, 17814580, 35629160, 71258320]

約数ペア:

[(1, 71258320), (2, 35629160), (4, 17814580), (5, 14251664), (7, 10179760), (8, 8907290), (10, 7125832), (14, 5089880), (16, 4453645), (20, 3562916), (28, 2544940), (35, 2035952), (40, 1781458), (56, 1272470), (70, 1017976), (80, 890729), (112, 636235), (140, 508988), (280, 254494), (560, 127247)]