80985970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 163749600

約数和(自身を除く): 82763630

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 113, 130, 149, 185, 226, 298, 370, 481, 565, 745, 962, 1130, 1469, 1490, 1937, 2405, 2938, 3874, 4181, 4810, 5513, 7345, 8362, 9685, 11026, 14690, 16837, 19370, 20905, 27565, 33674, 41810, 54353, 55130, 71669, 84185, 108706, 143338, 168370, 218881, 271765, 358345, 437762, 543530, 622969, 716690, 1094405, 1245938, 2188810, 3114845, 6229690, 8098597, 16197194, 40492985, 80985970]

約数ペア:

[(1, 80985970), (2, 40492985), (5, 16197194), (10, 8098597), (13, 6229690), (26, 3114845), (37, 2188810), (65, 1245938), (74, 1094405), (113, 716690), (130, 622969), (149, 543530), (185, 437762), (226, 358345), (298, 271765), (370, 218881), (481, 168370), (565, 143338), (745, 108706), (962, 84185), (1130, 71669), (1469, 55130), (1490, 54353), (1937, 41810), (2405, 33674), (2938, 27565), (3874, 20905), (4181, 19370), (4810, 16837), (5513, 14690), (7345, 11026), (8362, 9685)]