78927040

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1571}}^1$

素因数の和:1745

約数の個数: 56

約数和(自身を含む): 189262512

約数和(自身を除く): 110335472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1570, 1571, 2512, 3140, 3142, 5024, 6280, 6284, 7855, 10048, 12560, 12568, 15710, 25120, 25136, 31420, 50240, 50272, 62840, 100544, 125680, 246647, 251360, 493294, 502720, 986588, 1233235, 1973176, 2466470, 3946352, 4932940, 7892704, 9865880, 15785408, 19731760, 39463520, 78927040]

約数ペア:

[(1, 78927040), (2, 39463520), (4, 19731760), (5, 15785408), (8, 9865880), (10, 7892704), (16, 4932940), (20, 3946352), (32, 2466470), (40, 1973176), (64, 1233235), (80, 986588), (157, 502720), (160, 493294), (314, 251360), (320, 246647), (628, 125680), (785, 100544), (1256, 62840), (1570, 50272), (1571, 50240), (2512, 31420), (3140, 25136), (3142, 25120), (5024, 15710), (6280, 12568), (6284, 12560), (7855, 10048)]