81206560

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22067}}^1$

素因数の和:22105

約数の個数: 48

約数和(自身を含む): 200200896

約数和(自身を除く): 118994336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 22067, 44134, 88268, 110335, 176536, 220670, 353072, 441340, 507541, 706144, 882680, 1015082, 1765360, 2030164, 2537705, 3530720, 4060328, 5075410, 8120656, 10150820, 16241312, 20301640, 40603280, 81206560]

約数ペア:

[(1, 81206560), (2, 40603280), (4, 20301640), (5, 16241312), (8, 10150820), (10, 8120656), (16, 5075410), (20, 4060328), (23, 3530720), (32, 2537705), (40, 2030164), (46, 1765360), (80, 1015082), (92, 882680), (115, 706144), (160, 507541), (184, 441340), (230, 353072), (368, 220670), (460, 176536), (736, 110335), (920, 88268), (1840, 44134), (3680, 22067)]