71240320

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 171635400

約数和(自身を除く): 100395080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 314, 320, 628, 640, 709, 785, 1256, 1418, 1570, 2512, 2836, 3140, 3545, 5024, 5672, 6280, 7090, 10048, 11344, 12560, 14180, 20096, 22688, 25120, 28360, 45376, 50240, 56720, 90752, 100480, 111313, 113440, 222626, 226880, 445252, 453760, 556565, 890504, 1113130, 1781008, 2226260, 3562016, 4452520, 7124032, 8905040, 14248064, 17810080, 35620160, 71240320]

約数ペア:

[(1, 71240320), (2, 35620160), (4, 17810080), (5, 14248064), (8, 8905040), (10, 7124032), (16, 4452520), (20, 3562016), (32, 2226260), (40, 1781008), (64, 1113130), (80, 890504), (128, 556565), (157, 453760), (160, 445252), (314, 226880), (320, 222626), (628, 113440), (640, 111313), (709, 100480), (785, 90752), (1256, 56720), (1418, 50240), (1570, 45376), (2512, 28360), (2836, 25120), (3140, 22688), (3545, 20096), (5024, 14180), (5672, 12560), (6280, 11344), (7090, 10048)]